public static @Nullable LighterASTNode skipParenthesesDown(@NotNull LighterAST tree, @Nullable LighterASTNode expression) {
    while (expression != null && expression.getTokenType() == PARENTH_EXPRESSION) {
      expression = findExpressionChild(tree, expression);
    }
    return expression;
  }
public static @Nullable LighterASTNode skipParenthesesDown(@NotNull LighterAST tree, @Nullable LighterASTNode expression)