protected Shard(
	string typeName,
	string shardId,
	Props entityProps,
	ClusterShardingSettings settings,
	IdExtractor extractEntityId,
	ShardResolver extractShardId,
	Object handOffStopMessage
)

new : 
        typeName : string * 
        shardId : string * 
        entityProps : Props * 
        settings : ClusterShardingSettings * 
        extractEntityId : IdExtractor * 
        extractShardId : ShardResolver * 
        handOffStopMessage : Object -> Shard