An Observable represents a sequence of values which may be observed.

A SubscriptionObserver is a normalized Observer which wraps the observer object supplied to subscribe.

checks if a value is folowing the AsyncIterableIterator interface

checks if a value is folowing the IterableIterator interface

checks if a value is following the ObservableLike interface

Interface that aligns with signatures to an object that is an Observable

An Observer is used to receive data from an Observable, and is supplied as an argument to subscribe.