@Nullable
  private static FileKind getFileKind(PsiFile file) {
    if (MavenDomUtil.isProjectFile(file)) return FileKind.PROJECT_FILE;
    if (MavenDomUtil.isProfilesFile(file)) return FileKind.PROFILES_FILE;
    if (MavenDomUtil.isSettingsFile(file)) return getSettingsFileKind(file);
    return null;
  }
@Nullable
  private static FileKind getFileKind(PsiFile file)