ReplicatorReferences
Handles mapping of references to the new value.
Functions
isReplicatorReferences
ReplicatorReferences.isReplicatorReferences(replicatorReferences: any?) → booleanReturns true if the argument is a replicator references
ObserveReferenceChanged
ReplicatorReferences:ObserveReferenceChanged(callback: function) → function-- 
Call to disconnect
Observes when a reference changes. Discount Rx observable since we're the loader and don't want a whole copy of Rx.