@Nullable
  public static VirtualFile findProfilesXmlFile(VirtualFile pomFile) {
    if (pomFile == null) return null;
    VirtualFile parent = pomFile.getParent();
    if (parent == null || !parent.isValid()) return null;
    return parent.findChild(MavenConstants.PROFILES_XML);
  }
@Nullable
  public static VirtualFile findProfilesXmlFile(VirtualFile pomFile)