@Override
    public void visitAssignmentExpression(@NotNull GrAssignmentExpression grAssignmentExpression) {
      super.visitAssignmentExpression(grAssignmentExpression);
      final PsiElement parent = grAssignmentExpression.getParent();
      if (!(parent instanceof GrAssignmentExpression)) {
        return;
      }
      registerError(grAssignmentExpression);
    }
@Override
    public void visitAssignmentExpression(@NotNull GrAssignmentExpression grAssignmentExpression)