code: function isIssueNotIgnored(issue) {
  			if (options.ignore.indexOf(issue.code.toLowerCase()) !== -1) {
  				return false;
  			}
  			if (options.ignore.indexOf(issue.type) !== -1) {
  				return false;
  			}
  			return true;
  		}
docs: Check whether an issue should be returned, and is not ignored.
  @private
  @param {Object} issue - The issue to check.
  @returns {Boolean} Returns whether the issue should be returned.