@Nullable
      private static PsiTypeCastExpression getQualifierReferenceExpression(@NotNull PsiMethodCallExpression call) {
        while (true) {
          if (!call.getArgumentList().isEmpty()) return null;
          PsiExpression qualifier = PsiUtil.skipParenthesizedExprDown(call.getMethodExpression().getQualifierExpression());
          PsiMethodCallExpression qualifierMethodCall = ObjectUtils.tryCast(qualifier, PsiMethodCallExpression.class);
          if (qualifierMethodCall == null) return ObjectUtils.tryCast(qualifier, PsiTypeCastExpression.class);
          call = qualifierMethodCall;
        }
      }
@Nullable
      private static PsiTypeCastExpression getQualifierReferenceExpression(@NotNull PsiMethodCallExpression call)