config: Use full method signature in @!method tags
config: Use full method signature in @!method tags

YARD requires the full method signature in @!method tags, not just
the name, in order to properly generate the method brief.

Closes https://github.com/lsegal/yard/issues/1103

kbsecret/kbsecret,kbsecret/kbsecret,woodruffw/kbsecret