code: function ParseError(message, input) {
    Error.captureStackTrace(this, ParseError);
  
    this.name = this.constructor.name;
    this.message = message;
    this.input = input;
  }
docs: An error thrown by the parser on unexpected input.
  
  @constructor
  @param {string} message The error message.
  @param {string} input The unexpected input.
  @public