cmd/gazelle/metaresolver.go
func (mr *metaResolver) MappedKind(pkgRel string, kind config.MappedKind) {
	mr.mappedKinds[pkgRel] = append(mr.mappedKinds[pkgRel], kind)
}
func (mr *metaResolver) MappedKind(pkgRel string, kind config.MappedKind) {
	mr.mappedKinds[pkgRel] = append(mr.mappedKinds[pkgRel], kind)
}
// MappedKind records the fact that the given mapping was applied while
// processing the given package.