[API] Promote `MethodBase.intersection`

[henrydingliu]

Description

MethodBase.intersection is a useful method that should be under utils, rather than being tucked under MethodBase.

Is your feature request aligned with the scope of the package?

• Yes, absolutely!
• No, but it's still worth discussing.
• N/A (this request is not a codebase enhancement).

Describe the solution you'd like, or your current workaround.

No response

Do you have any additional supporting notes?

No response

Would you be willing to contribute this ticket?

• Yes, absolutely!
• Yes, but I would like some help.
• No.