Mandatory
Where is the source code for the plugin?
https://github.com/googleapis/gapic-generator-go/tree/main/cmd
Optional
Does the plugin have a valid semver version?
Yes.
https://github.com/googleapis/gapic-generator-go/releases
Latest as of this writing is v0.43.1.
Does the plugin have a dependency on another plugin?
Not sure.
Does the output of this plugin depend on any other external libraries?
Not sure.