Can vue2 key-field support multiple

Clear and concise description of the problem

Can vue2 key-field support multiple values and accept a function like vue3

Suggested solution

Can vue2 key-field support multiple values and accept a function like vue3

Alternative

No response

Additional context

No response

Validations

• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.