@Override
      public void visitExpression(@NotNull PsiExpression expression) {
        super.visitExpression(expression);
        expressionVisitor.clear();
        expression.accept(expressionVisitor);
        if (expressionVisitor.canBeSimplifiedFlag) {
          canBeSimplified.set(Boolean.TRUE);
        }
      }
@Override
      public void visitExpression(@NotNull PsiExpression expression)