OriginalCompleteBefore	OriginalCompleteAfter	Before	After	Project	Commit	CompilationUnit	LineNos	Names	TemplateVariableToCodeBefore	RelevantImports	TemplateVariableToCodeAfter	isRelevant	isSafe
return shards.keySet();	return shards.iterator();	shards.keySet()	shards.iterator()	elasticsearch	64e84dcc76660f3d62c0901137fb01980891f0f5	org.elasticsearch.cluster.routing.allocation.allocator.BalancedShardsAllocator.ModelIndex	_1 962 _2 907	_1 getAllShards _2 iterator	v0 shards		v0 shards	Returns	True