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;
    }
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