code: function AuditOptions(configuration, auditRule) {
          var ignoreSelectors = configuration.getIgnoreSelectors(auditRule.name);
          if (ignoreSelectors.length > 0 || configuration.scope)
              this.ignoreSelectors = ignoreSelectors;
          var ruleConfig = configuration.getRuleConfig(auditRule.name);
          if (ruleConfig)
              this.config = ruleConfig;
      }
docs: Represents options pertaining to a specific AuditRule.
  Instances may have the following optional named parameters:
  ignoreSelectors: Selectors for parts of the page to ignore for this rule.
  config: Any per-rule configuration.
  @param {axs.AuditConfiguration} configuration Config for the audits.
  @param {axs.AuditRule} auditRule The AuditRule whose options we want.
  @constructor