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				@@ -1153,6 +1153,27 @@ referencedClasses: [] 
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				 }), 
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				 smalltalk.IndexableCollection); 
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				+smalltalk.addMethod( 
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				+smalltalk.method({ 
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				+selector: "at:ifAbsentPut:", 
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				+protocol: 'accessing', 
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				+fn: function (aKey,aBlock){ 
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				+var self=this; 
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				+return smalltalk.withContext(function($ctx1) {  
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				+var $1; 
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				+$1=self._at_ifAbsent_(aKey,(function(){ 
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				+return smalltalk.withContext(function($ctx2) { 
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				+return self._at_put_(aKey,_st(aBlock)._value()); 
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				+}, function($ctx2) {$ctx2.fillBlock({},$ctx1,1)})})); 
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				+return $1; 
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				+}, function($ctx1) {$ctx1.fill(self,"at:ifAbsentPut:",{aKey:aKey,aBlock:aBlock},smalltalk.IndexableCollection)})}, 
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				+args: ["aKey", "aBlock"], 
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				+source: "at: aKey ifAbsentPut: aBlock\x0a\x09^ self at: aKey ifAbsent: [\x0a\x09\x09self at: aKey put: aBlock value ]", 
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				+messageSends: ["at:ifAbsent:", "at:put:", "value"], 
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				+referencedClasses: [] 
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				+}), 
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				+smalltalk.IndexableCollection); 
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				+ 
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				 smalltalk.addMethod( 
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				 smalltalk.method({ 
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				 selector: "at:ifPresent:", 
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				@@ -1474,27 +1495,6 @@ referencedClasses: [] 
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				 }), 
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				 smalltalk.HashedCollection); 
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				-smalltalk.addMethod( 
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				-smalltalk.method({ 
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				-selector: "at:ifAbsentPut:", 
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				-protocol: 'accessing', 
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				-fn: function (aKey,aBlock){ 
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				-var self=this; 
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				-return smalltalk.withContext(function($ctx1) {  
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				-var $1; 
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				-$1=self._at_ifAbsent_(aKey,(function(){ 
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				-return smalltalk.withContext(function($ctx2) { 
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				-return self._at_put_(aKey,_st(aBlock)._value()); 
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				-}, function($ctx2) {$ctx2.fillBlock({},$ctx1,1)})})); 
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				-return $1; 
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				-}, function($ctx1) {$ctx1.fill(self,"at:ifAbsentPut:",{aKey:aKey,aBlock:aBlock},smalltalk.HashedCollection)})}, 
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				-args: ["aKey", "aBlock"], 
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				-source: "at: aKey ifAbsentPut: aBlock\x0a\x09^ self at: aKey ifAbsent: [\x0a\x09\x09self at: aKey put: aBlock value ]", 
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				-messageSends: ["at:ifAbsent:", "at:put:", "value"], 
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				-referencedClasses: [] 
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				-}), 
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				-smalltalk.HashedCollection); 
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				- 
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				 smalltalk.addMethod( 
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				 smalltalk.method({ 
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				 selector: "at:ifPresent:ifAbsent:", 
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