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var Map=function(){this.map={}};Map.prototype={put:function(a,b){this.map[a]=b},get:function(a){return this.map[a]},containsKey:function(a){return a in this.map},containsValue:function(a){for(var b in this.map)if(this.map[b]===a)return!0;return!1},isEmpty:function(){return 0===this.size()},clear:function(){for(var a in this.map)delete this.map[a]},remove:function(a){delete this.map[a]},keys:function(){var a=new Array;for(var b in this.map)a.push(b);return a},values:function(){var a=new Array;for(var b in this.map)a.push(this.map[b]);return a},size:function(){var a=0;for(var b in this.map)a++;return a}};
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