code: function (preserveElems, clearConfigs) {
              if (!preserveElems) {
                  this.removeElems();
              }
              this.subViews = [];
              if (this.parent && this.parent.subViews) {
                  this.parent.subViews = this.subViews;
              }
              this._subViewsByType = {};
              this._subViewSingletons = {};
              this._subViewsByCid = {};
              this._subViewsByModelCid = {};
              if (clearConfigs) {
                  this.config = {};
              }
              return this;
          }
docs: Clears all subViews and subView data off of the SubViewManager instance
  @memberOf SubViewManager#
  @type {SubViewManager}
  @param {Boolean} [preserveElems] If true, view $els are left on the DOM
  @param {Boolean} [clearConfigs] If true, resets the subView configs as well
  @return {SubViewManager}