code: function isBeforeClosingParen(token) {
              const nextToken = sourceCode.getTokenAfter(token);
  
              return (nextToken && astUtils.isClosingBraceToken(nextToken) || astUtils.isClosingParenToken(nextToken));
          }
docs: Checks if the next token of a given token is a closing parenthesis.
  @param {Token} token The token to check.
  @returns {boolean} Whether or not the next token of a given token is a closing parenthesis.