@Nullable
  static String getMemberType(@Nullable PsiElement element) {
    final PsiMethodCallExpression methodCall = PsiTreeUtil.getParentOfType(element, PsiMethodCallExpression.class);
    return methodCall != null ? methodCall.getMethodExpression().getReferenceName() : null;
  }
@Nullable
  static String getMemberType(@Nullable PsiElement element)