ListRetracted
	ListDeprecated
	ListVersions
	ListRetractedVersions
)

// ListModules returns a description of the modules matching args, if known,
// along with any error preventing additional matches from being identified.
//
// The returned slice can be nonempty even if the error is non-nil.
func ListModules(ctx context.Context, args []string, mode ListMode, reuseFile string) ([]*modinfo.ModulePublic, error) {