Local, in-memory identify throttler.
Implements
IIdentifyThrottlerConstructs a new instance of the 
SimpleIdentifyThrottler class| Name | Type | Optional | Description | 
|---|---|---|---|
| maxConcurrency | number | No | None | 
Resolves once the given shard should be allowed to identify, or rejects if the operation was aborted.
| Name | Type | Optional | Description | 
|---|---|---|---|
| shardId | number | No | None | 
| signal | AbortSignal | No | None |