public Task<IActorRef> AllocateShard(
	IActorRef requester,
	string shardId,
	IImmutableDictionary<IActorRef, IImmutableList<string>> currentShardAllocations
)

abstract AllocateShard : 
        requester : IActorRef * 
        shardId : string * 
        currentShardAllocations : IImmutableDictionary<IActorRef, IImmutableList<string>> -> Task<IActorRef> 
override AllocateShard : 
        requester : IActorRef * 
        shardId : string * 
        currentShardAllocations : IImmutableDictionary<IActorRef, IImmutableList<string>> -> Task<IActorRef>