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e.compareKeys(n,t.$gte)>=0}:function(){return!0}},n.prototype.getUpperBoundMatcher=function(t){var e=this;return t.hasOwnProperty("$lt")||t.hasOwnProperty("$lte")?t.hasOwnProperty("$lt")&&t.hasOwnProperty("$lte")?0===e.compareKeys(t.$lte,t.$lt)?function(n){return e.compareKeys(n,t.$lt)<0}:e.compareKeys(t.$lte,t.$lt)<0?function(n){return e.compareKeys(n,t.$lte)<=0}:function(n){return e.compareKeys(n,t.$lt)<0}:t.hasOwnProperty("$lt")?function(n){return e.compareKeys(n,t.$lt)<0}:function(n){return e.compareKeys(n,t.$lte)<=0}:function(){return!0}},n.prototype.betweenBounds=function(t,e,n){var i=[];return this.hasOwnProperty("key")?(e=e||this.getLowerBoundMatcher(t),n=n||this.getUpperBoundMatcher(t),e(this.key)&&this.left&&r(i,this.left.betweenBounds(t,e,n)),e(this.key)&&n(this.key)&&r(i,this.data),n(this.key)&&this.right&&r(i,this.right.betweenBounds(t,e,n)),i):[]},n.prototype.deleteIfLeaf=function(){return this.left||this.right?!1:this.parent?(this.parent.left===this?this.parent.left=null:this.parent.right=null,!0):(delete this.key,this.data=[],!0)},n.prototype.deleteIfOnlyOneChild=function(){var t;return this.left&&!this.right&&(t=this.left),!this.left&&this.right&&(t=this.right),t?this.parent?(this.parent.left===this?(this.parent.left=t,t.parent=this.parent):(this.parent.right=t,t.parent=this.parent),!0):(this.key=t.key,this.data=t.data,this.left=null,t.left&&(this.left=t.left,t.left.parent=this),this.right=null,t.right&&(this.right=t.right,t.right.parent=this),!0):!1},n.prototype.delete=function(t,e){var n,r=[],i=this;if(this.hasOwnProperty("key")){if(this.compareKeys(t,this.key)<0)return this.left&&this.left.delete(t,e),void 0;if(this.compareKeys(t,this.key)>0)return this.right&&this.right.delete(t,e),void 0;if(0!==!this.compareKeys(t,this.key))return this.data.length>1&&void 0!==e?(this.data.forEach(function(t){i.checkValueEquality(t,e)||r.push(t)}),i.data=r,void 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