Improve various `@param` docs for `src/wp-includes/*`.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30681 602fd350-edb4-49c9-b593-d223f7449a82
Improve various `@param` docs.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30682 602fd350-edb4-49c9-b593-d223f7449a82