diff --git a/Dataplex/samples/V1/ContentServiceClient/create_content.php b/Dataplex/samples/V1/ContentServiceClient/create_content.php
deleted file mode 100644
index f9e4de2ed939..000000000000
--- a/Dataplex/samples/V1/ContentServiceClient/create_content.php
+++ /dev/null
@@ -1,85 +0,0 @@
-<?php
-/*
- * Copyright 2022 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * GENERATED CODE WARNING
- * This file was automatically generated - do not edit!
- */
-
-require_once __DIR__ . '/../../../vendor/autoload.php';
-
-// [START dataplex_v1_generated_ContentService_CreateContent_sync]
-use Google\ApiCore\ApiException;
-use Google\Cloud\Dataplex\V1\Client\ContentServiceClient;
-use Google\Cloud\Dataplex\V1\Content;
-use Google\Cloud\Dataplex\V1\CreateContentRequest;
-
-/**
- * Create a content.
- *
- * @param string $formattedParent The resource name of the parent lake:
- *                                projects/{project_id}/locations/{location_id}/lakes/{lake_id}
- *                                Please see {@see ContentServiceClient::lakeName()} for help formatting this field.
- * @param string $contentPath     The path for the Content file, represented as directory
- *                                structure. Unique within a lake. Limited to alphanumerics, hyphens,
- *                                underscores, dots and slashes.
- * @param string $contentDataText Content data in string format.
- */
-function create_content_sample(
-    string $formattedParent,
-    string $contentPath,
-    string $contentDataText
-): void {
-    // Create a client.
-    $contentServiceClient = new ContentServiceClient();
-
-    // Prepare the request message.
-    $content = (new Content())
-        ->setPath($contentPath)
-        ->setDataText($contentDataText);
-    $request = (new CreateContentRequest())
-        ->setParent($formattedParent)
-        ->setContent($content);
-
-    // Call the API and handle any network failures.
-    try {
-        /** @var Content $response */
-        $response = $contentServiceClient->createContent($request);
-        printf('Response data: %s' . PHP_EOL, $response->serializeToJsonString());
-    } catch (ApiException $ex) {
-        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
-    }
-}
-
-/**
- * Helper to execute the sample.
- *
- * This sample has been automatically generated and should be regarded as a code
- * template only. It will require modifications to work:
- *  - It may require correct/in-range values for request initialization.
- *  - It may require specifying regional endpoints when creating the service client,
- *    please see the apiEndpoint client configuration option for more details.
- */
-function callSample(): void
-{
-    $formattedParent = ContentServiceClient::lakeName('[PROJECT]', '[LOCATION]', '[LAKE]');
-    $contentPath = '[PATH]';
-    $contentDataText = '[DATA_TEXT]';
-
-    create_content_sample($formattedParent, $contentPath, $contentDataText);
-}
-// [END dataplex_v1_generated_ContentService_CreateContent_sync]
diff --git a/Dataplex/samples/V1/ContentServiceClient/delete_content.php b/Dataplex/samples/V1/ContentServiceClient/delete_content.php
deleted file mode 100644
index 9d9a93da0707..000000000000
--- a/Dataplex/samples/V1/ContentServiceClient/delete_content.php
+++ /dev/null
@@ -1,75 +0,0 @@
-<?php
-/*
- * Copyright 2022 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * GENERATED CODE WARNING
- * This file was automatically generated - do not edit!
- */
-
-require_once __DIR__ . '/../../../vendor/autoload.php';
-
-// [START dataplex_v1_generated_ContentService_DeleteContent_sync]
-use Google\ApiCore\ApiException;
-use Google\Cloud\Dataplex\V1\Client\ContentServiceClient;
-use Google\Cloud\Dataplex\V1\DeleteContentRequest;
-
-/**
- * Delete a content.
- *
- * @param string $formattedName The resource name of the content:
- *                              projects/{project_id}/locations/{location_id}/lakes/{lake_id}/content/{content_id}
- *                              Please see {@see ContentServiceClient::contentName()} for help formatting this field.
- */
-function delete_content_sample(string $formattedName): void
-{
-    // Create a client.
-    $contentServiceClient = new ContentServiceClient();
-
-    // Prepare the request message.
-    $request = (new DeleteContentRequest())
-        ->setName($formattedName);
-
-    // Call the API and handle any network failures.
-    try {
-        $contentServiceClient->deleteContent($request);
-        printf('Call completed successfully.' . PHP_EOL);
-    } catch (ApiException $ex) {
-        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
-    }
-}
-
-/**
- * Helper to execute the sample.
- *
- * This sample has been automatically generated and should be regarded as a code
- * template only. It will require modifications to work:
- *  - It may require correct/in-range values for request initialization.
- *  - It may require specifying regional endpoints when creating the service client,
- *    please see the apiEndpoint client configuration option for more details.
- */
-function callSample(): void
-{
-    $formattedName = ContentServiceClient::contentName(
-        '[PROJECT]',
-        '[LOCATION]',
-        '[LAKE]',
-        '[CONTENT]'
-    );
-
-    delete_content_sample($formattedName);
-}
-// [END dataplex_v1_generated_ContentService_DeleteContent_sync]
diff --git a/Dataplex/samples/V1/ContentServiceClient/get_content.php b/Dataplex/samples/V1/ContentServiceClient/get_content.php
deleted file mode 100644
index 9db754c7b72b..000000000000
--- a/Dataplex/samples/V1/ContentServiceClient/get_content.php
+++ /dev/null
@@ -1,77 +0,0 @@
-<?php
-/*
- * Copyright 2022 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * GENERATED CODE WARNING
- * This file was automatically generated - do not edit!
- */
-
-require_once __DIR__ . '/../../../vendor/autoload.php';
-
-// [START dataplex_v1_generated_ContentService_GetContent_sync]
-use Google\ApiCore\ApiException;
-use Google\Cloud\Dataplex\V1\Client\ContentServiceClient;
-use Google\Cloud\Dataplex\V1\Content;
-use Google\Cloud\Dataplex\V1\GetContentRequest;
-
-/**
- * Get a content resource.
- *
- * @param string $formattedName The resource name of the content:
- *                              projects/{project_id}/locations/{location_id}/lakes/{lake_id}/content/{content_id}
- *                              Please see {@see ContentServiceClient::contentName()} for help formatting this field.
- */
-function get_content_sample(string $formattedName): void
-{
-    // Create a client.
-    $contentServiceClient = new ContentServiceClient();
-
-    // Prepare the request message.
-    $request = (new GetContentRequest())
-        ->setName($formattedName);
-
-    // Call the API and handle any network failures.
-    try {
-        /** @var Content $response */
-        $response = $contentServiceClient->getContent($request);
-        printf('Response data: %s' . PHP_EOL, $response->serializeToJsonString());
-    } catch (ApiException $ex) {
-        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
-    }
-}
-
-/**
- * Helper to execute the sample.
- *
- * This sample has been automatically generated and should be regarded as a code
- * template only. It will require modifications to work:
- *  - It may require correct/in-range values for request initialization.
- *  - It may require specifying regional endpoints when creating the service client,
- *    please see the apiEndpoint client configuration option for more details.
- */
-function callSample(): void
-{
-    $formattedName = ContentServiceClient::contentName(
-        '[PROJECT]',
-        '[LOCATION]',
-        '[LAKE]',
-        '[CONTENT]'
-    );
-
-    get_content_sample($formattedName);
-}
-// [END dataplex_v1_generated_ContentService_GetContent_sync]
diff --git a/Dataplex/samples/V1/ContentServiceClient/list_content.php b/Dataplex/samples/V1/ContentServiceClient/list_content.php
deleted file mode 100644
index a863cdc01db4..000000000000
--- a/Dataplex/samples/V1/ContentServiceClient/list_content.php
+++ /dev/null
@@ -1,77 +0,0 @@
-<?php
-/*
- * Copyright 2022 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * GENERATED CODE WARNING
- * This file was automatically generated - do not edit!
- */
-
-require_once __DIR__ . '/../../../vendor/autoload.php';
-
-// [START dataplex_v1_generated_ContentService_ListContent_sync]
-use Google\ApiCore\ApiException;
-use Google\ApiCore\PagedListResponse;
-use Google\Cloud\Dataplex\V1\Client\ContentServiceClient;
-use Google\Cloud\Dataplex\V1\Content;
-use Google\Cloud\Dataplex\V1\ListContentRequest;
-
-/**
- * List content.
- *
- * @param string $formattedParent The resource name of the parent lake:
- *                                projects/{project_id}/locations/{location_id}/lakes/{lake_id}
- *                                Please see {@see ContentServiceClient::lakeName()} for help formatting this field.
- */
-function list_content_sample(string $formattedParent): void
-{
-    // Create a client.
-    $contentServiceClient = new ContentServiceClient();
-
-    // Prepare the request message.
-    $request = (new ListContentRequest())
-        ->setParent($formattedParent);
-
-    // Call the API and handle any network failures.
-    try {
-        /** @var PagedListResponse $response */
-        $response = $contentServiceClient->listContent($request);
-
-        /** @var Content $element */
-        foreach ($response as $element) {
-            printf('Element data: %s' . PHP_EOL, $element->serializeToJsonString());
-        }
-    } catch (ApiException $ex) {
-        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
-    }
-}
-
-/**
- * Helper to execute the sample.
- *
- * This sample has been automatically generated and should be regarded as a code
- * template only. It will require modifications to work:
- *  - It may require correct/in-range values for request initialization.
- *  - It may require specifying regional endpoints when creating the service client,
- *    please see the apiEndpoint client configuration option for more details.
- */
-function callSample(): void
-{
-    $formattedParent = ContentServiceClient::lakeName('[PROJECT]', '[LOCATION]', '[LAKE]');
-
-    list_content_sample($formattedParent);
-}
-// [END dataplex_v1_generated_ContentService_ListContent_sync]
diff --git a/Dataplex/samples/V1/ContentServiceClient/update_content.php b/Dataplex/samples/V1/ContentServiceClient/update_content.php
deleted file mode 100644
index 90531b720a47..000000000000
--- a/Dataplex/samples/V1/ContentServiceClient/update_content.php
+++ /dev/null
@@ -1,80 +0,0 @@
-<?php
-/*
- * Copyright 2022 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * GENERATED CODE WARNING
- * This file was automatically generated - do not edit!
- */
-
-require_once __DIR__ . '/../../../vendor/autoload.php';
-
-// [START dataplex_v1_generated_ContentService_UpdateContent_sync]
-use Google\ApiCore\ApiException;
-use Google\Cloud\Dataplex\V1\Client\ContentServiceClient;
-use Google\Cloud\Dataplex\V1\Content;
-use Google\Cloud\Dataplex\V1\UpdateContentRequest;
-use Google\Protobuf\FieldMask;
-
-/**
- * Update a content. Only supports full resource update.
- *
- * @param string $contentPath     The path for the Content file, represented as directory
- *                                structure. Unique within a lake. Limited to alphanumerics, hyphens,
- *                                underscores, dots and slashes.
- * @param string $contentDataText Content data in string format.
- */
-function update_content_sample(string $contentPath, string $contentDataText): void
-{
-    // Create a client.
-    $contentServiceClient = new ContentServiceClient();
-
-    // Prepare the request message.
-    $updateMask = new FieldMask();
-    $content = (new Content())
-        ->setPath($contentPath)
-        ->setDataText($contentDataText);
-    $request = (new UpdateContentRequest())
-        ->setUpdateMask($updateMask)
-        ->setContent($content);
-
-    // Call the API and handle any network failures.
-    try {
-        /** @var Content $response */
-        $response = $contentServiceClient->updateContent($request);
-        printf('Response data: %s' . PHP_EOL, $response->serializeToJsonString());
-    } catch (ApiException $ex) {
-        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
-    }
-}
-
-/**
- * Helper to execute the sample.
- *
- * This sample has been automatically generated and should be regarded as a code
- * template only. It will require modifications to work:
- *  - It may require correct/in-range values for request initialization.
- *  - It may require specifying regional endpoints when creating the service client,
- *    please see the apiEndpoint client configuration option for more details.
- */
-function callSample(): void
-{
-    $contentPath = '[PATH]';
-    $contentDataText = '[DATA_TEXT]';
-
-    update_content_sample($contentPath, $contentDataText);
-}
-// [END dataplex_v1_generated_ContentService_UpdateContent_sync]
diff --git a/Dataplex/samples/V1/DataplexServiceClient/create_environment.php b/Dataplex/samples/V1/DataplexServiceClient/create_environment.php
deleted file mode 100644
index 0232c40221e8..000000000000
--- a/Dataplex/samples/V1/DataplexServiceClient/create_environment.php
+++ /dev/null
@@ -1,110 +0,0 @@
-<?php
-/*
- * Copyright 2022 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * GENERATED CODE WARNING
- * This file was automatically generated - do not edit!
- */
-
-require_once __DIR__ . '/../../../vendor/autoload.php';
-
-// [START dataplex_v1_generated_DataplexService_CreateEnvironment_sync]
-use Google\ApiCore\ApiException;
-use Google\ApiCore\OperationResponse;
-use Google\Cloud\Dataplex\V1\Client\DataplexServiceClient;
-use Google\Cloud\Dataplex\V1\CreateEnvironmentRequest;
-use Google\Cloud\Dataplex\V1\Environment;
-use Google\Cloud\Dataplex\V1\Environment\InfrastructureSpec;
-use Google\Cloud\Dataplex\V1\Environment\InfrastructureSpec\OsImageRuntime;
-use Google\Rpc\Status;
-
-/**
- * Create an environment resource.
- *
- * @param string $formattedParent                                  The resource name of the parent lake:
- *                                                                 `projects/{project_id}/locations/{location_id}/lakes/{lake_id}`. Please see
- *                                                                 {@see DataplexServiceClient::lakeName()} for help formatting this field.
- * @param string $environmentId                                    Environment identifier.
- *                                                                 * Must contain only lowercase letters, numbers and hyphens.
- *                                                                 * Must start with a letter.
- *                                                                 * Must be between 1-63 characters.
- *                                                                 * Must end with a number or a letter.
- *                                                                 * Must be unique within the lake.
- * @param string $environmentInfrastructureSpecOsImageImageVersion Dataplex Universal Catalog Image version.
- */
-function create_environment_sample(
-    string $formattedParent,
-    string $environmentId,
-    string $environmentInfrastructureSpecOsImageImageVersion
-): void {
-    // Create a client.
-    $dataplexServiceClient = new DataplexServiceClient();
-
-    // Prepare the request message.
-    $environmentInfrastructureSpecOsImage = (new OsImageRuntime())
-        ->setImageVersion($environmentInfrastructureSpecOsImageImageVersion);
-    $environmentInfrastructureSpec = (new InfrastructureSpec())
-        ->setOsImage($environmentInfrastructureSpecOsImage);
-    $environment = (new Environment())
-        ->setInfrastructureSpec($environmentInfrastructureSpec);
-    $request = (new CreateEnvironmentRequest())
-        ->setParent($formattedParent)
-        ->setEnvironmentId($environmentId)
-        ->setEnvironment($environment);
-
-    // Call the API and handle any network failures.
-    try {
-        /** @var OperationResponse $response */
-        $response = $dataplexServiceClient->createEnvironment($request);
-        $response->pollUntilComplete();
-
-        if ($response->operationSucceeded()) {
-            /** @var Environment $result */
-            $result = $response->getResult();
-            printf('Operation successful with response data: %s' . PHP_EOL, $result->serializeToJsonString());
-        } else {
-            /** @var Status $error */
-            $error = $response->getError();
-            printf('Operation failed with error data: %s' . PHP_EOL, $error->serializeToJsonString());
-        }
-    } catch (ApiException $ex) {
-        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
-    }
-}
-
-/**
- * Helper to execute the sample.
- *
- * This sample has been automatically generated and should be regarded as a code
- * template only. It will require modifications to work:
- *  - It may require correct/in-range values for request initialization.
- *  - It may require specifying regional endpoints when creating the service client,
- *    please see the apiEndpoint client configuration option for more details.
- */
-function callSample(): void
-{
-    $formattedParent = DataplexServiceClient::lakeName('[PROJECT]', '[LOCATION]', '[LAKE]');
-    $environmentId = '[ENVIRONMENT_ID]';
-    $environmentInfrastructureSpecOsImageImageVersion = '[IMAGE_VERSION]';
-
-    create_environment_sample(
-        $formattedParent,
-        $environmentId,
-        $environmentInfrastructureSpecOsImageImageVersion
-    );
-}
-// [END dataplex_v1_generated_DataplexService_CreateEnvironment_sync]
diff --git a/Dataplex/samples/V1/DataplexServiceClient/delete_environment.php b/Dataplex/samples/V1/DataplexServiceClient/delete_environment.php
deleted file mode 100644
index 2974f7118165..000000000000
--- a/Dataplex/samples/V1/DataplexServiceClient/delete_environment.php
+++ /dev/null
@@ -1,87 +0,0 @@
-<?php
-/*
- * Copyright 2022 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * GENERATED CODE WARNING
- * This file was automatically generated - do not edit!
- */
-
-require_once __DIR__ . '/../../../vendor/autoload.php';
-
-// [START dataplex_v1_generated_DataplexService_DeleteEnvironment_sync]
-use Google\ApiCore\ApiException;
-use Google\ApiCore\OperationResponse;
-use Google\Cloud\Dataplex\V1\Client\DataplexServiceClient;
-use Google\Cloud\Dataplex\V1\DeleteEnvironmentRequest;
-use Google\Rpc\Status;
-
-/**
- * Delete the environment resource. All the child resources must have been
- * deleted before environment deletion can be initiated.
- *
- * @param string $formattedName The resource name of the environment:
- *                              `projects/{project_id}/locations/{location_id}/lakes/{lake_id}/environments/{environment_id}`. Please see
- *                              {@see DataplexServiceClient::environmentName()} for help formatting this field.
- */
-function delete_environment_sample(string $formattedName): void
-{
-    // Create a client.
-    $dataplexServiceClient = new DataplexServiceClient();
-
-    // Prepare the request message.
-    $request = (new DeleteEnvironmentRequest())
-        ->setName($formattedName);
-
-    // Call the API and handle any network failures.
-    try {
-        /** @var OperationResponse $response */
-        $response = $dataplexServiceClient->deleteEnvironment($request);
-        $response->pollUntilComplete();
-
-        if ($response->operationSucceeded()) {
-            printf('Operation completed successfully.' . PHP_EOL);
-        } else {
-            /** @var Status $error */
-            $error = $response->getError();
-            printf('Operation failed with error data: %s' . PHP_EOL, $error->serializeToJsonString());
-        }
-    } catch (ApiException $ex) {
-        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
-    }
-}
-
-/**
- * Helper to execute the sample.
- *
- * This sample has been automatically generated and should be regarded as a code
- * template only. It will require modifications to work:
- *  - It may require correct/in-range values for request initialization.
- *  - It may require specifying regional endpoints when creating the service client,
- *    please see the apiEndpoint client configuration option for more details.
- */
-function callSample(): void
-{
-    $formattedName = DataplexServiceClient::environmentName(
-        '[PROJECT]',
-        '[LOCATION]',
-        '[LAKE]',
-        '[ENVIRONMENT]'
-    );
-
-    delete_environment_sample($formattedName);
-}
-// [END dataplex_v1_generated_DataplexService_DeleteEnvironment_sync]
diff --git a/Dataplex/samples/V1/DataplexServiceClient/get_environment.php b/Dataplex/samples/V1/DataplexServiceClient/get_environment.php
deleted file mode 100644
index 2f1ec72a4faa..000000000000
--- a/Dataplex/samples/V1/DataplexServiceClient/get_environment.php
+++ /dev/null
@@ -1,77 +0,0 @@
-<?php
-/*
- * Copyright 2022 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * GENERATED CODE WARNING
- * This file was automatically generated - do not edit!
- */
-
-require_once __DIR__ . '/../../../vendor/autoload.php';
-
-// [START dataplex_v1_generated_DataplexService_GetEnvironment_sync]
-use Google\ApiCore\ApiException;
-use Google\Cloud\Dataplex\V1\Client\DataplexServiceClient;
-use Google\Cloud\Dataplex\V1\Environment;
-use Google\Cloud\Dataplex\V1\GetEnvironmentRequest;
-
-/**
- * Get environment resource.
- *
- * @param string $formattedName The resource name of the environment:
- *                              `projects/{project_id}/locations/{location_id}/lakes/{lake_id}/environments/{environment_id}`. Please see
- *                              {@see DataplexServiceClient::environmentName()} for help formatting this field.
- */
-function get_environment_sample(string $formattedName): void
-{
-    // Create a client.
-    $dataplexServiceClient = new DataplexServiceClient();
-
-    // Prepare the request message.
-    $request = (new GetEnvironmentRequest())
-        ->setName($formattedName);
-
-    // Call the API and handle any network failures.
-    try {
-        /** @var Environment $response */
-        $response = $dataplexServiceClient->getEnvironment($request);
-        printf('Response data: %s' . PHP_EOL, $response->serializeToJsonString());
-    } catch (ApiException $ex) {
-        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
-    }
-}
-
-/**
- * Helper to execute the sample.
- *
- * This sample has been automatically generated and should be regarded as a code
- * template only. It will require modifications to work:
- *  - It may require correct/in-range values for request initialization.
- *  - It may require specifying regional endpoints when creating the service client,
- *    please see the apiEndpoint client configuration option for more details.
- */
-function callSample(): void
-{
-    $formattedName = DataplexServiceClient::environmentName(
-        '[PROJECT]',
-        '[LOCATION]',
-        '[LAKE]',
-        '[ENVIRONMENT]'
-    );
-
-    get_environment_sample($formattedName);
-}
-// [END dataplex_v1_generated_DataplexService_GetEnvironment_sync]
diff --git a/Dataplex/samples/V1/DataplexServiceClient/list_environments.php b/Dataplex/samples/V1/DataplexServiceClient/list_environments.php
deleted file mode 100644
index 78d842433f7d..000000000000
--- a/Dataplex/samples/V1/DataplexServiceClient/list_environments.php
+++ /dev/null
@@ -1,77 +0,0 @@
-<?php
-/*
- * Copyright 2022 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * GENERATED CODE WARNING
- * This file was automatically generated - do not edit!
- */
-
-require_once __DIR__ . '/../../../vendor/autoload.php';
-
-// [START dataplex_v1_generated_DataplexService_ListEnvironments_sync]
-use Google\ApiCore\ApiException;
-use Google\ApiCore\PagedListResponse;
-use Google\Cloud\Dataplex\V1\Client\DataplexServiceClient;
-use Google\Cloud\Dataplex\V1\Environment;
-use Google\Cloud\Dataplex\V1\ListEnvironmentsRequest;
-
-/**
- * Lists environments under the given lake.
- *
- * @param string $formattedParent The resource name of the parent lake:
- *                                `projects/{project_id}/locations/{location_id}/lakes/{lake_id}`. Please see
- *                                {@see DataplexServiceClient::lakeName()} for help formatting this field.
- */
-function list_environments_sample(string $formattedParent): void
-{
-    // Create a client.
-    $dataplexServiceClient = new DataplexServiceClient();
-
-    // Prepare the request message.
-    $request = (new ListEnvironmentsRequest())
-        ->setParent($formattedParent);
-
-    // Call the API and handle any network failures.
-    try {
-        /** @var PagedListResponse $response */
-        $response = $dataplexServiceClient->listEnvironments($request);
-
-        /** @var Environment $element */
-        foreach ($response as $element) {
-            printf('Element data: %s' . PHP_EOL, $element->serializeToJsonString());
-        }
-    } catch (ApiException $ex) {
-        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
-    }
-}
-
-/**
- * Helper to execute the sample.
- *
- * This sample has been automatically generated and should be regarded as a code
- * template only. It will require modifications to work:
- *  - It may require correct/in-range values for request initialization.
- *  - It may require specifying regional endpoints when creating the service client,
- *    please see the apiEndpoint client configuration option for more details.
- */
-function callSample(): void
-{
-    $formattedParent = DataplexServiceClient::lakeName('[PROJECT]', '[LOCATION]', '[LAKE]');
-
-    list_environments_sample($formattedParent);
-}
-// [END dataplex_v1_generated_DataplexService_ListEnvironments_sync]
diff --git a/Dataplex/samples/V1/DataplexServiceClient/list_sessions.php b/Dataplex/samples/V1/DataplexServiceClient/list_sessions.php
deleted file mode 100644
index 43298fd01d58..000000000000
--- a/Dataplex/samples/V1/DataplexServiceClient/list_sessions.php
+++ /dev/null
@@ -1,82 +0,0 @@
-<?php
-/*
- * Copyright 2022 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * GENERATED CODE WARNING
- * This file was automatically generated - do not edit!
- */
-
-require_once __DIR__ . '/../../../vendor/autoload.php';
-
-// [START dataplex_v1_generated_DataplexService_ListSessions_sync]
-use Google\ApiCore\ApiException;
-use Google\ApiCore\PagedListResponse;
-use Google\Cloud\Dataplex\V1\Client\DataplexServiceClient;
-use Google\Cloud\Dataplex\V1\ListSessionsRequest;
-use Google\Cloud\Dataplex\V1\Session;
-
-/**
- * Lists session resources in an environment.
- *
- * @param string $formattedParent The resource name of the parent environment:
- *                                `projects/{project_number}/locations/{location_id}/lakes/{lake_id}/environment/{environment_id}`. Please see
- *                                {@see DataplexServiceClient::environmentName()} for help formatting this field.
- */
-function list_sessions_sample(string $formattedParent): void
-{
-    // Create a client.
-    $dataplexServiceClient = new DataplexServiceClient();
-
-    // Prepare the request message.
-    $request = (new ListSessionsRequest())
-        ->setParent($formattedParent);
-
-    // Call the API and handle any network failures.
-    try {
-        /** @var PagedListResponse $response */
-        $response = $dataplexServiceClient->listSessions($request);
-
-        /** @var Session $element */
-        foreach ($response as $element) {
-            printf('Element data: %s' . PHP_EOL, $element->serializeToJsonString());
-        }
-    } catch (ApiException $ex) {
-        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
-    }
-}
-
-/**
- * Helper to execute the sample.
- *
- * This sample has been automatically generated and should be regarded as a code
- * template only. It will require modifications to work:
- *  - It may require correct/in-range values for request initialization.
- *  - It may require specifying regional endpoints when creating the service client,
- *    please see the apiEndpoint client configuration option for more details.
- */
-function callSample(): void
-{
-    $formattedParent = DataplexServiceClient::environmentName(
-        '[PROJECT]',
-        '[LOCATION]',
-        '[LAKE]',
-        '[ENVIRONMENT]'
-    );
-
-    list_sessions_sample($formattedParent);
-}
-// [END dataplex_v1_generated_DataplexService_ListSessions_sync]
diff --git a/Dataplex/samples/V1/DataplexServiceClient/update_environment.php b/Dataplex/samples/V1/DataplexServiceClient/update_environment.php
deleted file mode 100644
index 5afb1d4c1093..000000000000
--- a/Dataplex/samples/V1/DataplexServiceClient/update_environment.php
+++ /dev/null
@@ -1,93 +0,0 @@
-<?php
-/*
- * Copyright 2022 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * GENERATED CODE WARNING
- * This file was automatically generated - do not edit!
- */
-
-require_once __DIR__ . '/../../../vendor/autoload.php';
-
-// [START dataplex_v1_generated_DataplexService_UpdateEnvironment_sync]
-use Google\ApiCore\ApiException;
-use Google\ApiCore\OperationResponse;
-use Google\Cloud\Dataplex\V1\Client\DataplexServiceClient;
-use Google\Cloud\Dataplex\V1\Environment;
-use Google\Cloud\Dataplex\V1\Environment\InfrastructureSpec;
-use Google\Cloud\Dataplex\V1\Environment\InfrastructureSpec\OsImageRuntime;
-use Google\Cloud\Dataplex\V1\UpdateEnvironmentRequest;
-use Google\Protobuf\FieldMask;
-use Google\Rpc\Status;
-
-/**
- * Update the environment resource.
- *
- * @param string $environmentInfrastructureSpecOsImageImageVersion Dataplex Universal Catalog Image version.
- */
-function update_environment_sample(string $environmentInfrastructureSpecOsImageImageVersion): void
-{
-    // Create a client.
-    $dataplexServiceClient = new DataplexServiceClient();
-
-    // Prepare the request message.
-    $updateMask = new FieldMask();
-    $environmentInfrastructureSpecOsImage = (new OsImageRuntime())
-        ->setImageVersion($environmentInfrastructureSpecOsImageImageVersion);
-    $environmentInfrastructureSpec = (new InfrastructureSpec())
-        ->setOsImage($environmentInfrastructureSpecOsImage);
-    $environment = (new Environment())
-        ->setInfrastructureSpec($environmentInfrastructureSpec);
-    $request = (new UpdateEnvironmentRequest())
-        ->setUpdateMask($updateMask)
-        ->setEnvironment($environment);
-
-    // Call the API and handle any network failures.
-    try {
-        /** @var OperationResponse $response */
-        $response = $dataplexServiceClient->updateEnvironment($request);
-        $response->pollUntilComplete();
-
-        if ($response->operationSucceeded()) {
-            /** @var Environment $result */
-            $result = $response->getResult();
-            printf('Operation successful with response data: %s' . PHP_EOL, $result->serializeToJsonString());
-        } else {
-            /** @var Status $error */
-            $error = $response->getError();
-            printf('Operation failed with error data: %s' . PHP_EOL, $error->serializeToJsonString());
-        }
-    } catch (ApiException $ex) {
-        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
-    }
-}
-
-/**
- * Helper to execute the sample.
- *
- * This sample has been automatically generated and should be regarded as a code
- * template only. It will require modifications to work:
- *  - It may require correct/in-range values for request initialization.
- *  - It may require specifying regional endpoints when creating the service client,
- *    please see the apiEndpoint client configuration option for more details.
- */
-function callSample(): void
-{
-    $environmentInfrastructureSpecOsImageImageVersion = '[IMAGE_VERSION]';
-
-    update_environment_sample($environmentInfrastructureSpecOsImageImageVersion);
-}
-// [END dataplex_v1_generated_DataplexService_UpdateEnvironment_sync]
diff --git a/Dataplex/src/V1/CreateContentRequest.php b/Dataplex/src/V1/CreateContentRequest.php
deleted file mode 100644
index 75823c6ed7cf..000000000000
--- a/Dataplex/src/V1/CreateContentRequest.php
+++ /dev/null
@@ -1,170 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/content.proto
-
-namespace Google\Cloud\Dataplex\V1;
-
-use Google\Protobuf\Internal\GPBType;
-use Google\Protobuf\Internal\GPBUtil;
-use Google\Protobuf\RepeatedField;
-
-/**
- * Create content request.
- *
- * Generated from protobuf message <code>google.cloud.dataplex.v1.CreateContentRequest</code>
- */
-class CreateContentRequest extends \Google\Protobuf\Internal\Message
-{
-    /**
-     * Required. The resource name of the parent lake:
-     * projects/{project_id}/locations/{location_id}/lakes/{lake_id}
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     */
-    protected $parent = '';
-    /**
-     * Required. Content resource.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.Content content = 2 [(.google.api.field_behavior) = REQUIRED];</code>
-     */
-    protected $content = null;
-    /**
-     * Optional. Only validate the request, but do not perform mutations.
-     * The default is false.
-     *
-     * Generated from protobuf field <code>bool validate_only = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $validate_only = false;
-
-    /**
-     * @param string                            $parent  Required. The resource name of the parent lake:
-     *                                                   projects/{project_id}/locations/{location_id}/lakes/{lake_id}
-     *                                                   Please see {@see ContentServiceClient::lakeName()} for help formatting this field.
-     * @param \Google\Cloud\Dataplex\V1\Content $content Required. Content resource.
-     *
-     * @return \Google\Cloud\Dataplex\V1\CreateContentRequest
-     *
-     * @experimental
-     */
-    public static function build(string $parent, \Google\Cloud\Dataplex\V1\Content $content): self
-    {
-        return (new self())
-            ->setParent($parent)
-            ->setContent($content);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param array $data {
-     *     Optional. Data for populating the Message object.
-     *
-     *     @type string $parent
-     *           Required. The resource name of the parent lake:
-     *           projects/{project_id}/locations/{location_id}/lakes/{lake_id}
-     *     @type \Google\Cloud\Dataplex\V1\Content $content
-     *           Required. Content resource.
-     *     @type bool $validate_only
-     *           Optional. Only validate the request, but do not perform mutations.
-     *           The default is false.
-     * }
-     */
-    public function __construct($data = NULL) {
-        \GPBMetadata\Google\Cloud\Dataplex\V1\Content::initOnce();
-        parent::__construct($data);
-    }
-
-    /**
-     * Required. The resource name of the parent lake:
-     * projects/{project_id}/locations/{location_id}/lakes/{lake_id}
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @return string
-     */
-    public function getParent()
-    {
-        return $this->parent;
-    }
-
-    /**
-     * Required. The resource name of the parent lake:
-     * projects/{project_id}/locations/{location_id}/lakes/{lake_id}
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setParent($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->parent = $var;
-
-        return $this;
-    }
-
-    /**
-     * Required. Content resource.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.Content content = 2 [(.google.api.field_behavior) = REQUIRED];</code>
-     * @return \Google\Cloud\Dataplex\V1\Content|null
-     */
-    public function getContent()
-    {
-        return $this->content;
-    }
-
-    public function hasContent()
-    {
-        return isset($this->content);
-    }
-
-    public function clearContent()
-    {
-        unset($this->content);
-    }
-
-    /**
-     * Required. Content resource.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.Content content = 2 [(.google.api.field_behavior) = REQUIRED];</code>
-     * @param \Google\Cloud\Dataplex\V1\Content $var
-     * @return $this
-     */
-    public function setContent($var)
-    {
-        GPBUtil::checkMessage($var, \Google\Cloud\Dataplex\V1\Content::class);
-        $this->content = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Only validate the request, but do not perform mutations.
-     * The default is false.
-     *
-     * Generated from protobuf field <code>bool validate_only = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return bool
-     */
-    public function getValidateOnly()
-    {
-        return $this->validate_only;
-    }
-
-    /**
-     * Optional. Only validate the request, but do not perform mutations.
-     * The default is false.
-     *
-     * Generated from protobuf field <code>bool validate_only = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param bool $var
-     * @return $this
-     */
-    public function setValidateOnly($var)
-    {
-        GPBUtil::checkBool($var);
-        $this->validate_only = $var;
-
-        return $this;
-    }
-
-}
-
diff --git a/Dataplex/src/V1/CreateEnvironmentRequest.php b/Dataplex/src/V1/CreateEnvironmentRequest.php
deleted file mode 100644
index cb4acf20f1a3..000000000000
--- a/Dataplex/src/V1/CreateEnvironmentRequest.php
+++ /dev/null
@@ -1,231 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/service.proto
-
-namespace Google\Cloud\Dataplex\V1;
-
-use Google\Protobuf\Internal\GPBType;
-use Google\Protobuf\Internal\GPBUtil;
-use Google\Protobuf\RepeatedField;
-
-/**
- * Create environment request.
- *
- * Generated from protobuf message <code>google.cloud.dataplex.v1.CreateEnvironmentRequest</code>
- */
-class CreateEnvironmentRequest extends \Google\Protobuf\Internal\Message
-{
-    /**
-     * Required. The resource name of the parent lake:
-     * `projects/{project_id}/locations/{location_id}/lakes/{lake_id}`.
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     */
-    protected $parent = '';
-    /**
-     * Required. Environment identifier.
-     * * Must contain only lowercase letters, numbers and hyphens.
-     * * Must start with a letter.
-     * * Must be between 1-63 characters.
-     * * Must end with a number or a letter.
-     * * Must be unique within the lake.
-     *
-     * Generated from protobuf field <code>string environment_id = 2 [(.google.api.field_behavior) = REQUIRED];</code>
-     */
-    protected $environment_id = '';
-    /**
-     * Required. Environment resource.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.Environment environment = 3 [(.google.api.field_behavior) = REQUIRED];</code>
-     */
-    protected $environment = null;
-    /**
-     * Optional. Only validate the request, but do not perform mutations.
-     * The default is false.
-     *
-     * Generated from protobuf field <code>bool validate_only = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $validate_only = false;
-
-    /**
-     * @param string                                $parent        Required. The resource name of the parent lake:
-     *                                                             `projects/{project_id}/locations/{location_id}/lakes/{lake_id}`. Please see
-     *                                                             {@see DataplexServiceClient::lakeName()} for help formatting this field.
-     * @param \Google\Cloud\Dataplex\V1\Environment $environment   Required. Environment resource.
-     * @param string                                $environmentId Required. Environment identifier.
-     *                                                             * Must contain only lowercase letters, numbers and hyphens.
-     *                                                             * Must start with a letter.
-     *                                                             * Must be between 1-63 characters.
-     *                                                             * Must end with a number or a letter.
-     *                                                             * Must be unique within the lake.
-     *
-     * @return \Google\Cloud\Dataplex\V1\CreateEnvironmentRequest
-     *
-     * @experimental
-     */
-    public static function build(string $parent, \Google\Cloud\Dataplex\V1\Environment $environment, string $environmentId): self
-    {
-        return (new self())
-            ->setParent($parent)
-            ->setEnvironment($environment)
-            ->setEnvironmentId($environmentId);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param array $data {
-     *     Optional. Data for populating the Message object.
-     *
-     *     @type string $parent
-     *           Required. The resource name of the parent lake:
-     *           `projects/{project_id}/locations/{location_id}/lakes/{lake_id}`.
-     *     @type string $environment_id
-     *           Required. Environment identifier.
-     *           * Must contain only lowercase letters, numbers and hyphens.
-     *           * Must start with a letter.
-     *           * Must be between 1-63 characters.
-     *           * Must end with a number or a letter.
-     *           * Must be unique within the lake.
-     *     @type \Google\Cloud\Dataplex\V1\Environment $environment
-     *           Required. Environment resource.
-     *     @type bool $validate_only
-     *           Optional. Only validate the request, but do not perform mutations.
-     *           The default is false.
-     * }
-     */
-    public function __construct($data = NULL) {
-        \GPBMetadata\Google\Cloud\Dataplex\V1\Service::initOnce();
-        parent::__construct($data);
-    }
-
-    /**
-     * Required. The resource name of the parent lake:
-     * `projects/{project_id}/locations/{location_id}/lakes/{lake_id}`.
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @return string
-     */
-    public function getParent()
-    {
-        return $this->parent;
-    }
-
-    /**
-     * Required. The resource name of the parent lake:
-     * `projects/{project_id}/locations/{location_id}/lakes/{lake_id}`.
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setParent($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->parent = $var;
-
-        return $this;
-    }
-
-    /**
-     * Required. Environment identifier.
-     * * Must contain only lowercase letters, numbers and hyphens.
-     * * Must start with a letter.
-     * * Must be between 1-63 characters.
-     * * Must end with a number or a letter.
-     * * Must be unique within the lake.
-     *
-     * Generated from protobuf field <code>string environment_id = 2 [(.google.api.field_behavior) = REQUIRED];</code>
-     * @return string
-     */
-    public function getEnvironmentId()
-    {
-        return $this->environment_id;
-    }
-
-    /**
-     * Required. Environment identifier.
-     * * Must contain only lowercase letters, numbers and hyphens.
-     * * Must start with a letter.
-     * * Must be between 1-63 characters.
-     * * Must end with a number or a letter.
-     * * Must be unique within the lake.
-     *
-     * Generated from protobuf field <code>string environment_id = 2 [(.google.api.field_behavior) = REQUIRED];</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setEnvironmentId($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->environment_id = $var;
-
-        return $this;
-    }
-
-    /**
-     * Required. Environment resource.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.Environment environment = 3 [(.google.api.field_behavior) = REQUIRED];</code>
-     * @return \Google\Cloud\Dataplex\V1\Environment|null
-     */
-    public function getEnvironment()
-    {
-        return $this->environment;
-    }
-
-    public function hasEnvironment()
-    {
-        return isset($this->environment);
-    }
-
-    public function clearEnvironment()
-    {
-        unset($this->environment);
-    }
-
-    /**
-     * Required. Environment resource.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.Environment environment = 3 [(.google.api.field_behavior) = REQUIRED];</code>
-     * @param \Google\Cloud\Dataplex\V1\Environment $var
-     * @return $this
-     */
-    public function setEnvironment($var)
-    {
-        GPBUtil::checkMessage($var, \Google\Cloud\Dataplex\V1\Environment::class);
-        $this->environment = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Only validate the request, but do not perform mutations.
-     * The default is false.
-     *
-     * Generated from protobuf field <code>bool validate_only = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return bool
-     */
-    public function getValidateOnly()
-    {
-        return $this->validate_only;
-    }
-
-    /**
-     * Optional. Only validate the request, but do not perform mutations.
-     * The default is false.
-     *
-     * Generated from protobuf field <code>bool validate_only = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param bool $var
-     * @return $this
-     */
-    public function setValidateOnly($var)
-    {
-        GPBUtil::checkBool($var);
-        $this->validate_only = $var;
-
-        return $this;
-    }
-
-}
-
diff --git a/Dataplex/src/V1/DeleteContentRequest.php b/Dataplex/src/V1/DeleteContentRequest.php
deleted file mode 100644
index d62eea2e642d..000000000000
--- a/Dataplex/src/V1/DeleteContentRequest.php
+++ /dev/null
@@ -1,86 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/content.proto
-
-namespace Google\Cloud\Dataplex\V1;
-
-use Google\Protobuf\Internal\GPBType;
-use Google\Protobuf\Internal\GPBUtil;
-use Google\Protobuf\RepeatedField;
-
-/**
- * Delete content request.
- *
- * Generated from protobuf message <code>google.cloud.dataplex.v1.DeleteContentRequest</code>
- */
-class DeleteContentRequest extends \Google\Protobuf\Internal\Message
-{
-    /**
-     * Required. The resource name of the content:
-     * projects/{project_id}/locations/{location_id}/lakes/{lake_id}/content/{content_id}
-     *
-     * Generated from protobuf field <code>string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     */
-    protected $name = '';
-
-    /**
-     * @param string $name Required. The resource name of the content:
-     *                     projects/{project_id}/locations/{location_id}/lakes/{lake_id}/content/{content_id}
-     *                     Please see {@see ContentServiceClient::contentName()} for help formatting this field.
-     *
-     * @return \Google\Cloud\Dataplex\V1\DeleteContentRequest
-     *
-     * @experimental
-     */
-    public static function build(string $name): self
-    {
-        return (new self())
-            ->setName($name);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param array $data {
-     *     Optional. Data for populating the Message object.
-     *
-     *     @type string $name
-     *           Required. The resource name of the content:
-     *           projects/{project_id}/locations/{location_id}/lakes/{lake_id}/content/{content_id}
-     * }
-     */
-    public function __construct($data = NULL) {
-        \GPBMetadata\Google\Cloud\Dataplex\V1\Content::initOnce();
-        parent::__construct($data);
-    }
-
-    /**
-     * Required. The resource name of the content:
-     * projects/{project_id}/locations/{location_id}/lakes/{lake_id}/content/{content_id}
-     *
-     * Generated from protobuf field <code>string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @return string
-     */
-    public function getName()
-    {
-        return $this->name;
-    }
-
-    /**
-     * Required. The resource name of the content:
-     * projects/{project_id}/locations/{location_id}/lakes/{lake_id}/content/{content_id}
-     *
-     * Generated from protobuf field <code>string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setName($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->name = $var;
-
-        return $this;
-    }
-
-}
-
diff --git a/Dataplex/src/V1/DeleteEnvironmentRequest.php b/Dataplex/src/V1/DeleteEnvironmentRequest.php
deleted file mode 100644
index 74f413225099..000000000000
--- a/Dataplex/src/V1/DeleteEnvironmentRequest.php
+++ /dev/null
@@ -1,86 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/service.proto
-
-namespace Google\Cloud\Dataplex\V1;
-
-use Google\Protobuf\Internal\GPBType;
-use Google\Protobuf\Internal\GPBUtil;
-use Google\Protobuf\RepeatedField;
-
-/**
- * Delete environment request.
- *
- * Generated from protobuf message <code>google.cloud.dataplex.v1.DeleteEnvironmentRequest</code>
- */
-class DeleteEnvironmentRequest extends \Google\Protobuf\Internal\Message
-{
-    /**
-     * Required. The resource name of the environment:
-     * `projects/{project_id}/locations/{location_id}/lakes/{lake_id}/environments/{environment_id}`.
-     *
-     * Generated from protobuf field <code>string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     */
-    protected $name = '';
-
-    /**
-     * @param string $name Required. The resource name of the environment:
-     *                     `projects/{project_id}/locations/{location_id}/lakes/{lake_id}/environments/{environment_id}`. Please see
-     *                     {@see DataplexServiceClient::environmentName()} for help formatting this field.
-     *
-     * @return \Google\Cloud\Dataplex\V1\DeleteEnvironmentRequest
-     *
-     * @experimental
-     */
-    public static function build(string $name): self
-    {
-        return (new self())
-            ->setName($name);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param array $data {
-     *     Optional. Data for populating the Message object.
-     *
-     *     @type string $name
-     *           Required. The resource name of the environment:
-     *           `projects/{project_id}/locations/{location_id}/lakes/{lake_id}/environments/{environment_id}`.
-     * }
-     */
-    public function __construct($data = NULL) {
-        \GPBMetadata\Google\Cloud\Dataplex\V1\Service::initOnce();
-        parent::__construct($data);
-    }
-
-    /**
-     * Required. The resource name of the environment:
-     * `projects/{project_id}/locations/{location_id}/lakes/{lake_id}/environments/{environment_id}`.
-     *
-     * Generated from protobuf field <code>string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @return string
-     */
-    public function getName()
-    {
-        return $this->name;
-    }
-
-    /**
-     * Required. The resource name of the environment:
-     * `projects/{project_id}/locations/{location_id}/lakes/{lake_id}/environments/{environment_id}`.
-     *
-     * Generated from protobuf field <code>string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setName($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->name = $var;
-
-        return $this;
-    }
-
-}
-
diff --git a/Dataplex/src/V1/GetContentRequest.php b/Dataplex/src/V1/GetContentRequest.php
deleted file mode 100644
index cef19e08dd11..000000000000
--- a/Dataplex/src/V1/GetContentRequest.php
+++ /dev/null
@@ -1,120 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/content.proto
-
-namespace Google\Cloud\Dataplex\V1;
-
-use Google\Protobuf\Internal\GPBType;
-use Google\Protobuf\Internal\GPBUtil;
-use Google\Protobuf\RepeatedField;
-
-/**
- * Get content request.
- *
- * Generated from protobuf message <code>google.cloud.dataplex.v1.GetContentRequest</code>
- */
-class GetContentRequest extends \Google\Protobuf\Internal\Message
-{
-    /**
-     * Required. The resource name of the content:
-     * projects/{project_id}/locations/{location_id}/lakes/{lake_id}/content/{content_id}
-     *
-     * Generated from protobuf field <code>string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     */
-    protected $name = '';
-    /**
-     * Optional. Specify content view to make a partial request.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.GetContentRequest.ContentView view = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $view = 0;
-
-    /**
-     * @param string $name Required. The resource name of the content:
-     *                     projects/{project_id}/locations/{location_id}/lakes/{lake_id}/content/{content_id}
-     *                     Please see {@see ContentServiceClient::contentName()} for help formatting this field.
-     *
-     * @return \Google\Cloud\Dataplex\V1\GetContentRequest
-     *
-     * @experimental
-     */
-    public static function build(string $name): self
-    {
-        return (new self())
-            ->setName($name);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param array $data {
-     *     Optional. Data for populating the Message object.
-     *
-     *     @type string $name
-     *           Required. The resource name of the content:
-     *           projects/{project_id}/locations/{location_id}/lakes/{lake_id}/content/{content_id}
-     *     @type int $view
-     *           Optional. Specify content view to make a partial request.
-     * }
-     */
-    public function __construct($data = NULL) {
-        \GPBMetadata\Google\Cloud\Dataplex\V1\Content::initOnce();
-        parent::__construct($data);
-    }
-
-    /**
-     * Required. The resource name of the content:
-     * projects/{project_id}/locations/{location_id}/lakes/{lake_id}/content/{content_id}
-     *
-     * Generated from protobuf field <code>string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @return string
-     */
-    public function getName()
-    {
-        return $this->name;
-    }
-
-    /**
-     * Required. The resource name of the content:
-     * projects/{project_id}/locations/{location_id}/lakes/{lake_id}/content/{content_id}
-     *
-     * Generated from protobuf field <code>string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setName($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->name = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Specify content view to make a partial request.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.GetContentRequest.ContentView view = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return int
-     */
-    public function getView()
-    {
-        return $this->view;
-    }
-
-    /**
-     * Optional. Specify content view to make a partial request.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.GetContentRequest.ContentView view = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param int $var
-     * @return $this
-     */
-    public function setView($var)
-    {
-        GPBUtil::checkEnum($var, \Google\Cloud\Dataplex\V1\GetContentRequest\ContentView::class);
-        $this->view = $var;
-
-        return $this;
-    }
-
-}
-
diff --git a/Dataplex/src/V1/GetContentRequest/ContentView.php b/Dataplex/src/V1/GetContentRequest/ContentView.php
deleted file mode 100644
index b4bf6fcdc9e4..000000000000
--- a/Dataplex/src/V1/GetContentRequest/ContentView.php
+++ /dev/null
@@ -1,63 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/content.proto
-
-namespace Google\Cloud\Dataplex\V1\GetContentRequest;
-
-use UnexpectedValueException;
-
-/**
- * Specifies whether the request should return the full or the partial
- * representation.
- *
- * Protobuf type <code>google.cloud.dataplex.v1.GetContentRequest.ContentView</code>
- */
-class ContentView
-{
-    /**
-     * Content view not specified. Defaults to BASIC.
-     * The API will default to the BASIC view.
-     *
-     * Generated from protobuf enum <code>CONTENT_VIEW_UNSPECIFIED = 0;</code>
-     */
-    const CONTENT_VIEW_UNSPECIFIED = 0;
-    /**
-     * Will not return the `data_text` field.
-     *
-     * Generated from protobuf enum <code>BASIC = 1;</code>
-     */
-    const BASIC = 1;
-    /**
-     * Returns the complete proto.
-     *
-     * Generated from protobuf enum <code>FULL = 2;</code>
-     */
-    const FULL = 2;
-
-    private static $valueToName = [
-        self::CONTENT_VIEW_UNSPECIFIED => 'CONTENT_VIEW_UNSPECIFIED',
-        self::BASIC => 'BASIC',
-        self::FULL => 'FULL',
-    ];
-
-    public static function name($value)
-    {
-        if (!isset(self::$valueToName[$value])) {
-            throw new UnexpectedValueException(sprintf(
-                    'Enum %s has no name defined for value %s', __CLASS__, $value));
-        }
-        return self::$valueToName[$value];
-    }
-
-
-    public static function value($name)
-    {
-        $const = __CLASS__ . '::' . strtoupper($name);
-        if (!defined($const)) {
-            throw new UnexpectedValueException(sprintf(
-                    'Enum %s has no value defined for name %s', __CLASS__, $name));
-        }
-        return constant($const);
-    }
-}
-
diff --git a/Dataplex/src/V1/GetEnvironmentRequest.php b/Dataplex/src/V1/GetEnvironmentRequest.php
deleted file mode 100644
index 01949fbe2813..000000000000
--- a/Dataplex/src/V1/GetEnvironmentRequest.php
+++ /dev/null
@@ -1,86 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/service.proto
-
-namespace Google\Cloud\Dataplex\V1;
-
-use Google\Protobuf\Internal\GPBType;
-use Google\Protobuf\Internal\GPBUtil;
-use Google\Protobuf\RepeatedField;
-
-/**
- * Get environment request.
- *
- * Generated from protobuf message <code>google.cloud.dataplex.v1.GetEnvironmentRequest</code>
- */
-class GetEnvironmentRequest extends \Google\Protobuf\Internal\Message
-{
-    /**
-     * Required. The resource name of the environment:
-     * `projects/{project_id}/locations/{location_id}/lakes/{lake_id}/environments/{environment_id}`.
-     *
-     * Generated from protobuf field <code>string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     */
-    protected $name = '';
-
-    /**
-     * @param string $name Required. The resource name of the environment:
-     *                     `projects/{project_id}/locations/{location_id}/lakes/{lake_id}/environments/{environment_id}`. Please see
-     *                     {@see DataplexServiceClient::environmentName()} for help formatting this field.
-     *
-     * @return \Google\Cloud\Dataplex\V1\GetEnvironmentRequest
-     *
-     * @experimental
-     */
-    public static function build(string $name): self
-    {
-        return (new self())
-            ->setName($name);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param array $data {
-     *     Optional. Data for populating the Message object.
-     *
-     *     @type string $name
-     *           Required. The resource name of the environment:
-     *           `projects/{project_id}/locations/{location_id}/lakes/{lake_id}/environments/{environment_id}`.
-     * }
-     */
-    public function __construct($data = NULL) {
-        \GPBMetadata\Google\Cloud\Dataplex\V1\Service::initOnce();
-        parent::__construct($data);
-    }
-
-    /**
-     * Required. The resource name of the environment:
-     * `projects/{project_id}/locations/{location_id}/lakes/{lake_id}/environments/{environment_id}`.
-     *
-     * Generated from protobuf field <code>string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @return string
-     */
-    public function getName()
-    {
-        return $this->name;
-    }
-
-    /**
-     * Required. The resource name of the environment:
-     * `projects/{project_id}/locations/{location_id}/lakes/{lake_id}/environments/{environment_id}`.
-     *
-     * Generated from protobuf field <code>string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setName($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->name = $var;
-
-        return $this;
-    }
-
-}
-
diff --git a/Dataplex/src/V1/ListContentRequest.php b/Dataplex/src/V1/ListContentRequest.php
deleted file mode 100644
index b4cfd399d779..000000000000
--- a/Dataplex/src/V1/ListContentRequest.php
+++ /dev/null
@@ -1,232 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/content.proto
-
-namespace Google\Cloud\Dataplex\V1;
-
-use Google\Protobuf\Internal\GPBType;
-use Google\Protobuf\Internal\GPBUtil;
-use Google\Protobuf\RepeatedField;
-
-/**
- * List content request. Returns the BASIC Content view.
- *
- * Generated from protobuf message <code>google.cloud.dataplex.v1.ListContentRequest</code>
- */
-class ListContentRequest extends \Google\Protobuf\Internal\Message
-{
-    /**
-     * Required. The resource name of the parent lake:
-     * projects/{project_id}/locations/{location_id}/lakes/{lake_id}
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     */
-    protected $parent = '';
-    /**
-     * Optional. Maximum number of content to return. The service may return fewer
-     * than this value. If unspecified, at most 10 content will be returned. The
-     * maximum value is 1000; values above 1000 will be coerced to 1000.
-     *
-     * Generated from protobuf field <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $page_size = 0;
-    /**
-     * Optional. Page token received from a previous `ListContent` call. Provide
-     * this to retrieve the subsequent page. When paginating, all other parameters
-     * provided to `ListContent` must match the call that provided the page
-     * token.
-     *
-     * Generated from protobuf field <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $page_token = '';
-    /**
-     * Optional. Filter request. Filters are case-sensitive.
-     * The following formats are supported:
-     * labels.key1 = "value1"
-     * labels:key1
-     * type = "NOTEBOOK"
-     * type = "SQL_SCRIPT"
-     * These restrictions can be coinjoined with AND, OR and NOT conjunctions.
-     *
-     * Generated from protobuf field <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $filter = '';
-
-    /**
-     * @param string $parent Required. The resource name of the parent lake:
-     *                       projects/{project_id}/locations/{location_id}/lakes/{lake_id}
-     *                       Please see {@see ContentServiceClient::lakeName()} for help formatting this field.
-     *
-     * @return \Google\Cloud\Dataplex\V1\ListContentRequest
-     *
-     * @experimental
-     */
-    public static function build(string $parent): self
-    {
-        return (new self())
-            ->setParent($parent);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param array $data {
-     *     Optional. Data for populating the Message object.
-     *
-     *     @type string $parent
-     *           Required. The resource name of the parent lake:
-     *           projects/{project_id}/locations/{location_id}/lakes/{lake_id}
-     *     @type int $page_size
-     *           Optional. Maximum number of content to return. The service may return fewer
-     *           than this value. If unspecified, at most 10 content will be returned. The
-     *           maximum value is 1000; values above 1000 will be coerced to 1000.
-     *     @type string $page_token
-     *           Optional. Page token received from a previous `ListContent` call. Provide
-     *           this to retrieve the subsequent page. When paginating, all other parameters
-     *           provided to `ListContent` must match the call that provided the page
-     *           token.
-     *     @type string $filter
-     *           Optional. Filter request. Filters are case-sensitive.
-     *           The following formats are supported:
-     *           labels.key1 = "value1"
-     *           labels:key1
-     *           type = "NOTEBOOK"
-     *           type = "SQL_SCRIPT"
-     *           These restrictions can be coinjoined with AND, OR and NOT conjunctions.
-     * }
-     */
-    public function __construct($data = NULL) {
-        \GPBMetadata\Google\Cloud\Dataplex\V1\Content::initOnce();
-        parent::__construct($data);
-    }
-
-    /**
-     * Required. The resource name of the parent lake:
-     * projects/{project_id}/locations/{location_id}/lakes/{lake_id}
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @return string
-     */
-    public function getParent()
-    {
-        return $this->parent;
-    }
-
-    /**
-     * Required. The resource name of the parent lake:
-     * projects/{project_id}/locations/{location_id}/lakes/{lake_id}
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setParent($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->parent = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Maximum number of content to return. The service may return fewer
-     * than this value. If unspecified, at most 10 content will be returned. The
-     * maximum value is 1000; values above 1000 will be coerced to 1000.
-     *
-     * Generated from protobuf field <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return int
-     */
-    public function getPageSize()
-    {
-        return $this->page_size;
-    }
-
-    /**
-     * Optional. Maximum number of content to return. The service may return fewer
-     * than this value. If unspecified, at most 10 content will be returned. The
-     * maximum value is 1000; values above 1000 will be coerced to 1000.
-     *
-     * Generated from protobuf field <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param int $var
-     * @return $this
-     */
-    public function setPageSize($var)
-    {
-        GPBUtil::checkInt32($var);
-        $this->page_size = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Page token received from a previous `ListContent` call. Provide
-     * this to retrieve the subsequent page. When paginating, all other parameters
-     * provided to `ListContent` must match the call that provided the page
-     * token.
-     *
-     * Generated from protobuf field <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return string
-     */
-    public function getPageToken()
-    {
-        return $this->page_token;
-    }
-
-    /**
-     * Optional. Page token received from a previous `ListContent` call. Provide
-     * this to retrieve the subsequent page. When paginating, all other parameters
-     * provided to `ListContent` must match the call that provided the page
-     * token.
-     *
-     * Generated from protobuf field <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setPageToken($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->page_token = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Filter request. Filters are case-sensitive.
-     * The following formats are supported:
-     * labels.key1 = "value1"
-     * labels:key1
-     * type = "NOTEBOOK"
-     * type = "SQL_SCRIPT"
-     * These restrictions can be coinjoined with AND, OR and NOT conjunctions.
-     *
-     * Generated from protobuf field <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return string
-     */
-    public function getFilter()
-    {
-        return $this->filter;
-    }
-
-    /**
-     * Optional. Filter request. Filters are case-sensitive.
-     * The following formats are supported:
-     * labels.key1 = "value1"
-     * labels:key1
-     * type = "NOTEBOOK"
-     * type = "SQL_SCRIPT"
-     * These restrictions can be coinjoined with AND, OR and NOT conjunctions.
-     *
-     * Generated from protobuf field <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setFilter($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->filter = $var;
-
-        return $this;
-    }
-
-}
-
diff --git a/Dataplex/src/V1/ListContentResponse.php b/Dataplex/src/V1/ListContentResponse.php
deleted file mode 100644
index becb349caa0f..000000000000
--- a/Dataplex/src/V1/ListContentResponse.php
+++ /dev/null
@@ -1,105 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/content.proto
-
-namespace Google\Cloud\Dataplex\V1;
-
-use Google\Protobuf\Internal\GPBType;
-use Google\Protobuf\Internal\GPBUtil;
-use Google\Protobuf\RepeatedField;
-
-/**
- * List content response.
- *
- * Generated from protobuf message <code>google.cloud.dataplex.v1.ListContentResponse</code>
- */
-class ListContentResponse extends \Google\Protobuf\Internal\Message
-{
-    /**
-     * Content under the given parent lake.
-     *
-     * Generated from protobuf field <code>repeated .google.cloud.dataplex.v1.Content content = 1;</code>
-     */
-    private $content;
-    /**
-     * Token to retrieve the next page of results, or empty if there are no more
-     * results in the list.
-     *
-     * Generated from protobuf field <code>string next_page_token = 2;</code>
-     */
-    protected $next_page_token = '';
-
-    /**
-     * Constructor.
-     *
-     * @param array $data {
-     *     Optional. Data for populating the Message object.
-     *
-     *     @type \Google\Cloud\Dataplex\V1\Content[] $content
-     *           Content under the given parent lake.
-     *     @type string $next_page_token
-     *           Token to retrieve the next page of results, or empty if there are no more
-     *           results in the list.
-     * }
-     */
-    public function __construct($data = NULL) {
-        \GPBMetadata\Google\Cloud\Dataplex\V1\Content::initOnce();
-        parent::__construct($data);
-    }
-
-    /**
-     * Content under the given parent lake.
-     *
-     * Generated from protobuf field <code>repeated .google.cloud.dataplex.v1.Content content = 1;</code>
-     * @return RepeatedField<\Google\Cloud\Dataplex\V1\Content>
-     */
-    public function getContent()
-    {
-        return $this->content;
-    }
-
-    /**
-     * Content under the given parent lake.
-     *
-     * Generated from protobuf field <code>repeated .google.cloud.dataplex.v1.Content content = 1;</code>
-     * @param \Google\Cloud\Dataplex\V1\Content[] $var
-     * @return $this
-     */
-    public function setContent($var)
-    {
-        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Google\Cloud\Dataplex\V1\Content::class);
-        $this->content = $arr;
-
-        return $this;
-    }
-
-    /**
-     * Token to retrieve the next page of results, or empty if there are no more
-     * results in the list.
-     *
-     * Generated from protobuf field <code>string next_page_token = 2;</code>
-     * @return string
-     */
-    public function getNextPageToken()
-    {
-        return $this->next_page_token;
-    }
-
-    /**
-     * Token to retrieve the next page of results, or empty if there are no more
-     * results in the list.
-     *
-     * Generated from protobuf field <code>string next_page_token = 2;</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setNextPageToken($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->next_page_token = $var;
-
-        return $this;
-    }
-
-}
-
diff --git a/Dataplex/src/V1/ListEnvironmentsRequest.php b/Dataplex/src/V1/ListEnvironmentsRequest.php
deleted file mode 100644
index 5a36188692bb..000000000000
--- a/Dataplex/src/V1/ListEnvironmentsRequest.php
+++ /dev/null
@@ -1,246 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/service.proto
-
-namespace Google\Cloud\Dataplex\V1;
-
-use Google\Protobuf\Internal\GPBType;
-use Google\Protobuf\Internal\GPBUtil;
-use Google\Protobuf\RepeatedField;
-
-/**
- * List environments request.
- *
- * Generated from protobuf message <code>google.cloud.dataplex.v1.ListEnvironmentsRequest</code>
- */
-class ListEnvironmentsRequest extends \Google\Protobuf\Internal\Message
-{
-    /**
-     * Required. The resource name of the parent lake:
-     * `projects/{project_id}/locations/{location_id}/lakes/{lake_id}`.
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     */
-    protected $parent = '';
-    /**
-     * Optional. Maximum number of environments to return. The service may return
-     * fewer than this value. If unspecified, at most 10 environments will be
-     * returned. The maximum value is 1000; values above 1000 will be coerced to
-     * 1000.
-     *
-     * Generated from protobuf field <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $page_size = 0;
-    /**
-     * Optional. Page token received from a previous `ListEnvironments` call.
-     * Provide this to retrieve the subsequent page. When paginating, all other
-     * parameters provided to `ListEnvironments` must match the call that provided
-     * the page token.
-     *
-     * Generated from protobuf field <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $page_token = '';
-    /**
-     * Optional. Filter request.
-     *
-     * Generated from protobuf field <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $filter = '';
-    /**
-     * Optional. Order by fields for the result.
-     *
-     * Generated from protobuf field <code>string order_by = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $order_by = '';
-
-    /**
-     * @param string $parent Required. The resource name of the parent lake:
-     *                       `projects/{project_id}/locations/{location_id}/lakes/{lake_id}`. Please see
-     *                       {@see DataplexServiceClient::lakeName()} for help formatting this field.
-     *
-     * @return \Google\Cloud\Dataplex\V1\ListEnvironmentsRequest
-     *
-     * @experimental
-     */
-    public static function build(string $parent): self
-    {
-        return (new self())
-            ->setParent($parent);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param array $data {
-     *     Optional. Data for populating the Message object.
-     *
-     *     @type string $parent
-     *           Required. The resource name of the parent lake:
-     *           `projects/{project_id}/locations/{location_id}/lakes/{lake_id}`.
-     *     @type int $page_size
-     *           Optional. Maximum number of environments to return. The service may return
-     *           fewer than this value. If unspecified, at most 10 environments will be
-     *           returned. The maximum value is 1000; values above 1000 will be coerced to
-     *           1000.
-     *     @type string $page_token
-     *           Optional. Page token received from a previous `ListEnvironments` call.
-     *           Provide this to retrieve the subsequent page. When paginating, all other
-     *           parameters provided to `ListEnvironments` must match the call that provided
-     *           the page token.
-     *     @type string $filter
-     *           Optional. Filter request.
-     *     @type string $order_by
-     *           Optional. Order by fields for the result.
-     * }
-     */
-    public function __construct($data = NULL) {
-        \GPBMetadata\Google\Cloud\Dataplex\V1\Service::initOnce();
-        parent::__construct($data);
-    }
-
-    /**
-     * Required. The resource name of the parent lake:
-     * `projects/{project_id}/locations/{location_id}/lakes/{lake_id}`.
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @return string
-     */
-    public function getParent()
-    {
-        return $this->parent;
-    }
-
-    /**
-     * Required. The resource name of the parent lake:
-     * `projects/{project_id}/locations/{location_id}/lakes/{lake_id}`.
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setParent($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->parent = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Maximum number of environments to return. The service may return
-     * fewer than this value. If unspecified, at most 10 environments will be
-     * returned. The maximum value is 1000; values above 1000 will be coerced to
-     * 1000.
-     *
-     * Generated from protobuf field <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return int
-     */
-    public function getPageSize()
-    {
-        return $this->page_size;
-    }
-
-    /**
-     * Optional. Maximum number of environments to return. The service may return
-     * fewer than this value. If unspecified, at most 10 environments will be
-     * returned. The maximum value is 1000; values above 1000 will be coerced to
-     * 1000.
-     *
-     * Generated from protobuf field <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param int $var
-     * @return $this
-     */
-    public function setPageSize($var)
-    {
-        GPBUtil::checkInt32($var);
-        $this->page_size = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Page token received from a previous `ListEnvironments` call.
-     * Provide this to retrieve the subsequent page. When paginating, all other
-     * parameters provided to `ListEnvironments` must match the call that provided
-     * the page token.
-     *
-     * Generated from protobuf field <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return string
-     */
-    public function getPageToken()
-    {
-        return $this->page_token;
-    }
-
-    /**
-     * Optional. Page token received from a previous `ListEnvironments` call.
-     * Provide this to retrieve the subsequent page. When paginating, all other
-     * parameters provided to `ListEnvironments` must match the call that provided
-     * the page token.
-     *
-     * Generated from protobuf field <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setPageToken($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->page_token = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Filter request.
-     *
-     * Generated from protobuf field <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return string
-     */
-    public function getFilter()
-    {
-        return $this->filter;
-    }
-
-    /**
-     * Optional. Filter request.
-     *
-     * Generated from protobuf field <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setFilter($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->filter = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Order by fields for the result.
-     *
-     * Generated from protobuf field <code>string order_by = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return string
-     */
-    public function getOrderBy()
-    {
-        return $this->order_by;
-    }
-
-    /**
-     * Optional. Order by fields for the result.
-     *
-     * Generated from protobuf field <code>string order_by = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setOrderBy($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->order_by = $var;
-
-        return $this;
-    }
-
-}
-
diff --git a/Dataplex/src/V1/ListEnvironmentsResponse.php b/Dataplex/src/V1/ListEnvironmentsResponse.php
deleted file mode 100644
index a278b1e2e31d..000000000000
--- a/Dataplex/src/V1/ListEnvironmentsResponse.php
+++ /dev/null
@@ -1,105 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/service.proto
-
-namespace Google\Cloud\Dataplex\V1;
-
-use Google\Protobuf\Internal\GPBType;
-use Google\Protobuf\Internal\GPBUtil;
-use Google\Protobuf\RepeatedField;
-
-/**
- * List environments response.
- *
- * Generated from protobuf message <code>google.cloud.dataplex.v1.ListEnvironmentsResponse</code>
- */
-class ListEnvironmentsResponse extends \Google\Protobuf\Internal\Message
-{
-    /**
-     * Environments under the given parent lake.
-     *
-     * Generated from protobuf field <code>repeated .google.cloud.dataplex.v1.Environment environments = 1;</code>
-     */
-    private $environments;
-    /**
-     * Token to retrieve the next page of results, or empty if there are no more
-     * results in the list.
-     *
-     * Generated from protobuf field <code>string next_page_token = 2;</code>
-     */
-    protected $next_page_token = '';
-
-    /**
-     * Constructor.
-     *
-     * @param array $data {
-     *     Optional. Data for populating the Message object.
-     *
-     *     @type \Google\Cloud\Dataplex\V1\Environment[] $environments
-     *           Environments under the given parent lake.
-     *     @type string $next_page_token
-     *           Token to retrieve the next page of results, or empty if there are no more
-     *           results in the list.
-     * }
-     */
-    public function __construct($data = NULL) {
-        \GPBMetadata\Google\Cloud\Dataplex\V1\Service::initOnce();
-        parent::__construct($data);
-    }
-
-    /**
-     * Environments under the given parent lake.
-     *
-     * Generated from protobuf field <code>repeated .google.cloud.dataplex.v1.Environment environments = 1;</code>
-     * @return RepeatedField<\Google\Cloud\Dataplex\V1\Environment>
-     */
-    public function getEnvironments()
-    {
-        return $this->environments;
-    }
-
-    /**
-     * Environments under the given parent lake.
-     *
-     * Generated from protobuf field <code>repeated .google.cloud.dataplex.v1.Environment environments = 1;</code>
-     * @param \Google\Cloud\Dataplex\V1\Environment[] $var
-     * @return $this
-     */
-    public function setEnvironments($var)
-    {
-        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Google\Cloud\Dataplex\V1\Environment::class);
-        $this->environments = $arr;
-
-        return $this;
-    }
-
-    /**
-     * Token to retrieve the next page of results, or empty if there are no more
-     * results in the list.
-     *
-     * Generated from protobuf field <code>string next_page_token = 2;</code>
-     * @return string
-     */
-    public function getNextPageToken()
-    {
-        return $this->next_page_token;
-    }
-
-    /**
-     * Token to retrieve the next page of results, or empty if there are no more
-     * results in the list.
-     *
-     * Generated from protobuf field <code>string next_page_token = 2;</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setNextPageToken($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->next_page_token = $var;
-
-        return $this;
-    }
-
-}
-
diff --git a/Dataplex/src/V1/ListSessionsRequest.php b/Dataplex/src/V1/ListSessionsRequest.php
deleted file mode 100644
index 0d67f2730364..000000000000
--- a/Dataplex/src/V1/ListSessionsRequest.php
+++ /dev/null
@@ -1,236 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/service.proto
-
-namespace Google\Cloud\Dataplex\V1;
-
-use Google\Protobuf\Internal\GPBType;
-use Google\Protobuf\Internal\GPBUtil;
-use Google\Protobuf\RepeatedField;
-
-/**
- * List sessions request.
- *
- * Generated from protobuf message <code>google.cloud.dataplex.v1.ListSessionsRequest</code>
- */
-class ListSessionsRequest extends \Google\Protobuf\Internal\Message
-{
-    /**
-     * Required. The resource name of the parent environment:
-     * `projects/{project_number}/locations/{location_id}/lakes/{lake_id}/environment/{environment_id}`.
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     */
-    protected $parent = '';
-    /**
-     * Optional. Maximum number of sessions to return. The service may return
-     * fewer than this value. If unspecified, at most 10 sessions will be
-     * returned. The maximum value is 1000; values above 1000 will be coerced to
-     * 1000.
-     *
-     * Generated from protobuf field <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $page_size = 0;
-    /**
-     * Optional. Page token received from a previous `ListSessions` call. Provide
-     * this to retrieve the subsequent page. When paginating, all other parameters
-     * provided to `ListSessions` must match the call that provided the page
-     * token.
-     *
-     * Generated from protobuf field <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $page_token = '';
-    /**
-     * Optional. Filter request. The following `mode` filter is supported to
-     * return only the sessions belonging to the requester when the mode is USER
-     * and return sessions of all the users when the mode is ADMIN. When no filter
-     * is sent default to USER mode. NOTE: When the mode is ADMIN, the requester
-     * should have `dataplex.environments.listAllSessions` permission to list all
-     * sessions, in absence of the permission, the request fails.
-     * mode = ADMIN | USER
-     *
-     * Generated from protobuf field <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $filter = '';
-
-    /**
-     * @param string $parent Required. The resource name of the parent environment:
-     *                       `projects/{project_number}/locations/{location_id}/lakes/{lake_id}/environment/{environment_id}`. Please see
-     *                       {@see DataplexServiceClient::environmentName()} for help formatting this field.
-     *
-     * @return \Google\Cloud\Dataplex\V1\ListSessionsRequest
-     *
-     * @experimental
-     */
-    public static function build(string $parent): self
-    {
-        return (new self())
-            ->setParent($parent);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param array $data {
-     *     Optional. Data for populating the Message object.
-     *
-     *     @type string $parent
-     *           Required. The resource name of the parent environment:
-     *           `projects/{project_number}/locations/{location_id}/lakes/{lake_id}/environment/{environment_id}`.
-     *     @type int $page_size
-     *           Optional. Maximum number of sessions to return. The service may return
-     *           fewer than this value. If unspecified, at most 10 sessions will be
-     *           returned. The maximum value is 1000; values above 1000 will be coerced to
-     *           1000.
-     *     @type string $page_token
-     *           Optional. Page token received from a previous `ListSessions` call. Provide
-     *           this to retrieve the subsequent page. When paginating, all other parameters
-     *           provided to `ListSessions` must match the call that provided the page
-     *           token.
-     *     @type string $filter
-     *           Optional. Filter request. The following `mode` filter is supported to
-     *           return only the sessions belonging to the requester when the mode is USER
-     *           and return sessions of all the users when the mode is ADMIN. When no filter
-     *           is sent default to USER mode. NOTE: When the mode is ADMIN, the requester
-     *           should have `dataplex.environments.listAllSessions` permission to list all
-     *           sessions, in absence of the permission, the request fails.
-     *           mode = ADMIN | USER
-     * }
-     */
-    public function __construct($data = NULL) {
-        \GPBMetadata\Google\Cloud\Dataplex\V1\Service::initOnce();
-        parent::__construct($data);
-    }
-
-    /**
-     * Required. The resource name of the parent environment:
-     * `projects/{project_number}/locations/{location_id}/lakes/{lake_id}/environment/{environment_id}`.
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @return string
-     */
-    public function getParent()
-    {
-        return $this->parent;
-    }
-
-    /**
-     * Required. The resource name of the parent environment:
-     * `projects/{project_number}/locations/{location_id}/lakes/{lake_id}/environment/{environment_id}`.
-     *
-     * Generated from protobuf field <code>string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setParent($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->parent = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Maximum number of sessions to return. The service may return
-     * fewer than this value. If unspecified, at most 10 sessions will be
-     * returned. The maximum value is 1000; values above 1000 will be coerced to
-     * 1000.
-     *
-     * Generated from protobuf field <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return int
-     */
-    public function getPageSize()
-    {
-        return $this->page_size;
-    }
-
-    /**
-     * Optional. Maximum number of sessions to return. The service may return
-     * fewer than this value. If unspecified, at most 10 sessions will be
-     * returned. The maximum value is 1000; values above 1000 will be coerced to
-     * 1000.
-     *
-     * Generated from protobuf field <code>int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param int $var
-     * @return $this
-     */
-    public function setPageSize($var)
-    {
-        GPBUtil::checkInt32($var);
-        $this->page_size = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Page token received from a previous `ListSessions` call. Provide
-     * this to retrieve the subsequent page. When paginating, all other parameters
-     * provided to `ListSessions` must match the call that provided the page
-     * token.
-     *
-     * Generated from protobuf field <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return string
-     */
-    public function getPageToken()
-    {
-        return $this->page_token;
-    }
-
-    /**
-     * Optional. Page token received from a previous `ListSessions` call. Provide
-     * this to retrieve the subsequent page. When paginating, all other parameters
-     * provided to `ListSessions` must match the call that provided the page
-     * token.
-     *
-     * Generated from protobuf field <code>string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setPageToken($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->page_token = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Filter request. The following `mode` filter is supported to
-     * return only the sessions belonging to the requester when the mode is USER
-     * and return sessions of all the users when the mode is ADMIN. When no filter
-     * is sent default to USER mode. NOTE: When the mode is ADMIN, the requester
-     * should have `dataplex.environments.listAllSessions` permission to list all
-     * sessions, in absence of the permission, the request fails.
-     * mode = ADMIN | USER
-     *
-     * Generated from protobuf field <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return string
-     */
-    public function getFilter()
-    {
-        return $this->filter;
-    }
-
-    /**
-     * Optional. Filter request. The following `mode` filter is supported to
-     * return only the sessions belonging to the requester when the mode is USER
-     * and return sessions of all the users when the mode is ADMIN. When no filter
-     * is sent default to USER mode. NOTE: When the mode is ADMIN, the requester
-     * should have `dataplex.environments.listAllSessions` permission to list all
-     * sessions, in absence of the permission, the request fails.
-     * mode = ADMIN | USER
-     *
-     * Generated from protobuf field <code>string filter = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setFilter($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->filter = $var;
-
-        return $this;
-    }
-
-}
-
diff --git a/Dataplex/src/V1/ListSessionsResponse.php b/Dataplex/src/V1/ListSessionsResponse.php
deleted file mode 100644
index 4f340ac9f95a..000000000000
--- a/Dataplex/src/V1/ListSessionsResponse.php
+++ /dev/null
@@ -1,105 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/service.proto
-
-namespace Google\Cloud\Dataplex\V1;
-
-use Google\Protobuf\Internal\GPBType;
-use Google\Protobuf\Internal\GPBUtil;
-use Google\Protobuf\RepeatedField;
-
-/**
- * List sessions response.
- *
- * Generated from protobuf message <code>google.cloud.dataplex.v1.ListSessionsResponse</code>
- */
-class ListSessionsResponse extends \Google\Protobuf\Internal\Message
-{
-    /**
-     * Sessions under a given environment.
-     *
-     * Generated from protobuf field <code>repeated .google.cloud.dataplex.v1.Session sessions = 1;</code>
-     */
-    private $sessions;
-    /**
-     * Token to retrieve the next page of results, or empty if there are no more
-     * results in the list.
-     *
-     * Generated from protobuf field <code>string next_page_token = 2;</code>
-     */
-    protected $next_page_token = '';
-
-    /**
-     * Constructor.
-     *
-     * @param array $data {
-     *     Optional. Data for populating the Message object.
-     *
-     *     @type \Google\Cloud\Dataplex\V1\Session[] $sessions
-     *           Sessions under a given environment.
-     *     @type string $next_page_token
-     *           Token to retrieve the next page of results, or empty if there are no more
-     *           results in the list.
-     * }
-     */
-    public function __construct($data = NULL) {
-        \GPBMetadata\Google\Cloud\Dataplex\V1\Service::initOnce();
-        parent::__construct($data);
-    }
-
-    /**
-     * Sessions under a given environment.
-     *
-     * Generated from protobuf field <code>repeated .google.cloud.dataplex.v1.Session sessions = 1;</code>
-     * @return RepeatedField<\Google\Cloud\Dataplex\V1\Session>
-     */
-    public function getSessions()
-    {
-        return $this->sessions;
-    }
-
-    /**
-     * Sessions under a given environment.
-     *
-     * Generated from protobuf field <code>repeated .google.cloud.dataplex.v1.Session sessions = 1;</code>
-     * @param \Google\Cloud\Dataplex\V1\Session[] $var
-     * @return $this
-     */
-    public function setSessions($var)
-    {
-        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Google\Cloud\Dataplex\V1\Session::class);
-        $this->sessions = $arr;
-
-        return $this;
-    }
-
-    /**
-     * Token to retrieve the next page of results, or empty if there are no more
-     * results in the list.
-     *
-     * Generated from protobuf field <code>string next_page_token = 2;</code>
-     * @return string
-     */
-    public function getNextPageToken()
-    {
-        return $this->next_page_token;
-    }
-
-    /**
-     * Token to retrieve the next page of results, or empty if there are no more
-     * results in the list.
-     *
-     * Generated from protobuf field <code>string next_page_token = 2;</code>
-     * @param string $var
-     * @return $this
-     */
-    public function setNextPageToken($var)
-    {
-        GPBUtil::checkString($var, True);
-        $this->next_page_token = $var;
-
-        return $this;
-    }
-
-}
-
diff --git a/Dataplex/src/V1/UpdateContentRequest.php b/Dataplex/src/V1/UpdateContentRequest.php
deleted file mode 100644
index adcc6659c07f..000000000000
--- a/Dataplex/src/V1/UpdateContentRequest.php
+++ /dev/null
@@ -1,179 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/content.proto
-
-namespace Google\Cloud\Dataplex\V1;
-
-use Google\Protobuf\Internal\GPBType;
-use Google\Protobuf\Internal\GPBUtil;
-use Google\Protobuf\RepeatedField;
-
-/**
- * Update content request.
- *
- * Generated from protobuf message <code>google.cloud.dataplex.v1.UpdateContentRequest</code>
- */
-class UpdateContentRequest extends \Google\Protobuf\Internal\Message
-{
-    /**
-     * Required. Mask of fields to update.
-     *
-     * Generated from protobuf field <code>.google.protobuf.FieldMask update_mask = 1 [(.google.api.field_behavior) = REQUIRED];</code>
-     */
-    protected $update_mask = null;
-    /**
-     * Required. Update description.
-     * Only fields specified in `update_mask` are updated.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.Content content = 2 [(.google.api.field_behavior) = REQUIRED];</code>
-     */
-    protected $content = null;
-    /**
-     * Optional. Only validate the request, but do not perform mutations.
-     * The default is false.
-     *
-     * Generated from protobuf field <code>bool validate_only = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $validate_only = false;
-
-    /**
-     * @param \Google\Cloud\Dataplex\V1\Content $content    Required. Update description.
-     *                                                      Only fields specified in `update_mask` are updated.
-     * @param \Google\Protobuf\FieldMask        $updateMask Required. Mask of fields to update.
-     *
-     * @return \Google\Cloud\Dataplex\V1\UpdateContentRequest
-     *
-     * @experimental
-     */
-    public static function build(\Google\Cloud\Dataplex\V1\Content $content, \Google\Protobuf\FieldMask $updateMask): self
-    {
-        return (new self())
-            ->setContent($content)
-            ->setUpdateMask($updateMask);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param array $data {
-     *     Optional. Data for populating the Message object.
-     *
-     *     @type \Google\Protobuf\FieldMask $update_mask
-     *           Required. Mask of fields to update.
-     *     @type \Google\Cloud\Dataplex\V1\Content $content
-     *           Required. Update description.
-     *           Only fields specified in `update_mask` are updated.
-     *     @type bool $validate_only
-     *           Optional. Only validate the request, but do not perform mutations.
-     *           The default is false.
-     * }
-     */
-    public function __construct($data = NULL) {
-        \GPBMetadata\Google\Cloud\Dataplex\V1\Content::initOnce();
-        parent::__construct($data);
-    }
-
-    /**
-     * Required. Mask of fields to update.
-     *
-     * Generated from protobuf field <code>.google.protobuf.FieldMask update_mask = 1 [(.google.api.field_behavior) = REQUIRED];</code>
-     * @return \Google\Protobuf\FieldMask|null
-     */
-    public function getUpdateMask()
-    {
-        return $this->update_mask;
-    }
-
-    public function hasUpdateMask()
-    {
-        return isset($this->update_mask);
-    }
-
-    public function clearUpdateMask()
-    {
-        unset($this->update_mask);
-    }
-
-    /**
-     * Required. Mask of fields to update.
-     *
-     * Generated from protobuf field <code>.google.protobuf.FieldMask update_mask = 1 [(.google.api.field_behavior) = REQUIRED];</code>
-     * @param \Google\Protobuf\FieldMask $var
-     * @return $this
-     */
-    public function setUpdateMask($var)
-    {
-        GPBUtil::checkMessage($var, \Google\Protobuf\FieldMask::class);
-        $this->update_mask = $var;
-
-        return $this;
-    }
-
-    /**
-     * Required. Update description.
-     * Only fields specified in `update_mask` are updated.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.Content content = 2 [(.google.api.field_behavior) = REQUIRED];</code>
-     * @return \Google\Cloud\Dataplex\V1\Content|null
-     */
-    public function getContent()
-    {
-        return $this->content;
-    }
-
-    public function hasContent()
-    {
-        return isset($this->content);
-    }
-
-    public function clearContent()
-    {
-        unset($this->content);
-    }
-
-    /**
-     * Required. Update description.
-     * Only fields specified in `update_mask` are updated.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.Content content = 2 [(.google.api.field_behavior) = REQUIRED];</code>
-     * @param \Google\Cloud\Dataplex\V1\Content $var
-     * @return $this
-     */
-    public function setContent($var)
-    {
-        GPBUtil::checkMessage($var, \Google\Cloud\Dataplex\V1\Content::class);
-        $this->content = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Only validate the request, but do not perform mutations.
-     * The default is false.
-     *
-     * Generated from protobuf field <code>bool validate_only = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return bool
-     */
-    public function getValidateOnly()
-    {
-        return $this->validate_only;
-    }
-
-    /**
-     * Optional. Only validate the request, but do not perform mutations.
-     * The default is false.
-     *
-     * Generated from protobuf field <code>bool validate_only = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param bool $var
-     * @return $this
-     */
-    public function setValidateOnly($var)
-    {
-        GPBUtil::checkBool($var);
-        $this->validate_only = $var;
-
-        return $this;
-    }
-
-}
-
diff --git a/Dataplex/src/V1/UpdateEnvironmentRequest.php b/Dataplex/src/V1/UpdateEnvironmentRequest.php
deleted file mode 100644
index 8cf3bc8a7016..000000000000
--- a/Dataplex/src/V1/UpdateEnvironmentRequest.php
+++ /dev/null
@@ -1,179 +0,0 @@
-<?php
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: google/cloud/dataplex/v1/service.proto
-
-namespace Google\Cloud\Dataplex\V1;
-
-use Google\Protobuf\Internal\GPBType;
-use Google\Protobuf\Internal\GPBUtil;
-use Google\Protobuf\RepeatedField;
-
-/**
- * Update environment request.
- *
- * Generated from protobuf message <code>google.cloud.dataplex.v1.UpdateEnvironmentRequest</code>
- */
-class UpdateEnvironmentRequest extends \Google\Protobuf\Internal\Message
-{
-    /**
-     * Required. Mask of fields to update.
-     *
-     * Generated from protobuf field <code>.google.protobuf.FieldMask update_mask = 1 [(.google.api.field_behavior) = REQUIRED];</code>
-     */
-    protected $update_mask = null;
-    /**
-     * Required. Update description.
-     * Only fields specified in `update_mask` are updated.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.Environment environment = 2 [(.google.api.field_behavior) = REQUIRED];</code>
-     */
-    protected $environment = null;
-    /**
-     * Optional. Only validate the request, but do not perform mutations.
-     * The default is false.
-     *
-     * Generated from protobuf field <code>bool validate_only = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     */
-    protected $validate_only = false;
-
-    /**
-     * @param \Google\Cloud\Dataplex\V1\Environment $environment Required. Update description.
-     *                                                           Only fields specified in `update_mask` are updated.
-     * @param \Google\Protobuf\FieldMask            $updateMask  Required. Mask of fields to update.
-     *
-     * @return \Google\Cloud\Dataplex\V1\UpdateEnvironmentRequest
-     *
-     * @experimental
-     */
-    public static function build(\Google\Cloud\Dataplex\V1\Environment $environment, \Google\Protobuf\FieldMask $updateMask): self
-    {
-        return (new self())
-            ->setEnvironment($environment)
-            ->setUpdateMask($updateMask);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param array $data {
-     *     Optional. Data for populating the Message object.
-     *
-     *     @type \Google\Protobuf\FieldMask $update_mask
-     *           Required. Mask of fields to update.
-     *     @type \Google\Cloud\Dataplex\V1\Environment $environment
-     *           Required. Update description.
-     *           Only fields specified in `update_mask` are updated.
-     *     @type bool $validate_only
-     *           Optional. Only validate the request, but do not perform mutations.
-     *           The default is false.
-     * }
-     */
-    public function __construct($data = NULL) {
-        \GPBMetadata\Google\Cloud\Dataplex\V1\Service::initOnce();
-        parent::__construct($data);
-    }
-
-    /**
-     * Required. Mask of fields to update.
-     *
-     * Generated from protobuf field <code>.google.protobuf.FieldMask update_mask = 1 [(.google.api.field_behavior) = REQUIRED];</code>
-     * @return \Google\Protobuf\FieldMask|null
-     */
-    public function getUpdateMask()
-    {
-        return $this->update_mask;
-    }
-
-    public function hasUpdateMask()
-    {
-        return isset($this->update_mask);
-    }
-
-    public function clearUpdateMask()
-    {
-        unset($this->update_mask);
-    }
-
-    /**
-     * Required. Mask of fields to update.
-     *
-     * Generated from protobuf field <code>.google.protobuf.FieldMask update_mask = 1 [(.google.api.field_behavior) = REQUIRED];</code>
-     * @param \Google\Protobuf\FieldMask $var
-     * @return $this
-     */
-    public function setUpdateMask($var)
-    {
-        GPBUtil::checkMessage($var, \Google\Protobuf\FieldMask::class);
-        $this->update_mask = $var;
-
-        return $this;
-    }
-
-    /**
-     * Required. Update description.
-     * Only fields specified in `update_mask` are updated.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.Environment environment = 2 [(.google.api.field_behavior) = REQUIRED];</code>
-     * @return \Google\Cloud\Dataplex\V1\Environment|null
-     */
-    public function getEnvironment()
-    {
-        return $this->environment;
-    }
-
-    public function hasEnvironment()
-    {
-        return isset($this->environment);
-    }
-
-    public function clearEnvironment()
-    {
-        unset($this->environment);
-    }
-
-    /**
-     * Required. Update description.
-     * Only fields specified in `update_mask` are updated.
-     *
-     * Generated from protobuf field <code>.google.cloud.dataplex.v1.Environment environment = 2 [(.google.api.field_behavior) = REQUIRED];</code>
-     * @param \Google\Cloud\Dataplex\V1\Environment $var
-     * @return $this
-     */
-    public function setEnvironment($var)
-    {
-        GPBUtil::checkMessage($var, \Google\Cloud\Dataplex\V1\Environment::class);
-        $this->environment = $var;
-
-        return $this;
-    }
-
-    /**
-     * Optional. Only validate the request, but do not perform mutations.
-     * The default is false.
-     *
-     * Generated from protobuf field <code>bool validate_only = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @return bool
-     */
-    public function getValidateOnly()
-    {
-        return $this->validate_only;
-    }
-
-    /**
-     * Optional. Only validate the request, but do not perform mutations.
-     * The default is false.
-     *
-     * Generated from protobuf field <code>bool validate_only = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
-     * @param bool $var
-     * @return $this
-     */
-    public function setValidateOnly($var)
-    {
-        GPBUtil::checkBool($var);
-        $this->validate_only = $var;
-
-        return $this;
-    }
-
-}
-