prow/repoowners/repoowners.go
func (o *RepoOwners) FindReviewersOwnersForFile(path string) string {
	return findOwnersForFile(o.log, path, o.reviewers)
}
func (o *RepoOwners) FindReviewersOwnersForFile(path string) string {
	return findOwnersForFile(o.log, path, o.reviewers)
}
// FindReviewersOwnersForFile returns the OWNERS file path furthest down the tree for a specified file
// that contains a reviewers section