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n=(e=e?b.clone(e):{}).wait;if(!(t=this._prepareModel(t,e)))return!1;n||this.add(t,e);var s=this,r=e.success;return e.success=function(t,e,i){n&&s.add(t,i),r&&r.call(i.context,t,e,i)},t.save(null,e),t},parse:function(t,e){return t},clone:function(){return new this.constructor(this.models,{model:this.model,comparator:this.comparator})},modelId:function(t){return t[this.model.prototype.idAttribute||"id"]},_reset:function(){this.length=0,this.models=[],this._byId={}},_prepareModel:function(t,e){if(this._isModel(t))return t.collection||(t.collection=this),t;t=new((e=e?b.clone(e):{}).collection=this).model(t,e);return t.validationError?(this.trigger("invalid",this,t.validationError,e),!1):t},_removeModels:function(t,e){for(var i=[],n=0;n<t.length;n++){var s,r,o=this.get(t[n]);o&&(s=this.indexOf(o),this.models.splice(s,1),this.length--,delete this._byId[o.cid],null!=(r=this.modelId(o.attributes))&&delete 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t;this.el?this.setElement(b.result(this,"el")):(t=b.extend({},b.result(this,"attributes")),this.id&&(t.id=b.result(this,"id")),this.className&&(t.class=b.result(this,"className")),this.setElement(this._createElement(b.result(this,"tagName"))),this._setAttributes(t))},_setAttributes:function(t){this.$el.attr(t)}}),a.sync=function(t,e,n){var i=S[t];b.defaults(n=n||{},{emulateHTTP:a.emulateHTTP,emulateJSON:a.emulateJSON});var s,r={type:i,dataType:"json"};n.url||(r.url=b.result(e,"url")||j()),null!=n.data||!e||"create"!==t&&"update"!==t&&"patch"!==t||(r.contentType="application/json",r.data=JSON.stringify(n.attrs||e.toJSON(n))),n.emulateJSON&&(r.contentType="application/x-www-form-urlencoded",r.data=r.data?{model:r.data}:{}),!n.emulateHTTP||"PUT"!==i&&"DELETE"!==i&&"PATCH"!==i||(r.type="POST",n.emulateJSON&&(r.data._method=i),s=n.beforeSend,n.beforeSend=function(t){if(t.setRequestHeader("X-HTTP-Method-Override",i),s)return 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