|TailableCursor||2||This cursor should be tailable.|
|SlaveOk||4||It's OK for the query to be handled by a secondary server.|
|NoCursorTimeout||16||Tell the server not to let the cursor timeout.|
|AwaitData||32||Tell the server to wait for data to become available before returning (only used with TailableCursor).|
|Exhaust||64||Tell the server to send all the data at once (in multiple messages if necessary) without waiting for GetMore messages.|
|Partial||128||Allow partial results in a sharded system if some of the shards are down.|
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