@Nullable
  public static PsiIdentifier getPropertyNameIdentifier(final PsiMember member) {
    if (member instanceof PsiField) {
      return ((PsiField)member).getNameIdentifier();
    }
    if (member instanceof PsiMethod) {
      return ((PsiMethod)member).getNameIdentifier();
    }
    return null;
  }
@Nullable
  public static PsiIdentifier getPropertyNameIdentifier(final PsiMember member)