HasUpstreamMaybeSource

Type Parameters:

T - the value type

All Known Implementing Classes:

AbstractMaybeWithUpstream, MaybeContains, MaybeCount, MaybeDelay, MaybeDelayOtherPublisher, MaybeDelaySubscriptionOtherPublisher, MaybeDematerialize, MaybeDetach, MaybeDoAfterSuccess, MaybeDoFinally, MaybeDoOnEvent, MaybeDoOnLifecycle, MaybeFilter, MaybeFlatMapBiSelector, MaybeFlatMapNotification, MaybeFlatten, MaybeHide, MaybeIgnoreElement, MaybeIsEmpty, MaybeIsEmptySingle, MaybeLift, MaybeMap, MaybeObserveOn, MaybeOnErrorComplete, MaybeOnErrorNext, MaybeOnErrorReturn, MaybePeek, MaybeSubscribeOn, MaybeSwitchIfEmpty, MaybeSwitchIfEmptySingle, MaybeTakeUntilMaybe, MaybeTakeUntilPublisher, MaybeTimeoutMaybe, MaybeTimeoutPublisher, MaybeToFlowable, MaybeToObservable, MaybeToSingle, MaybeUnsafeCreate, MaybeUnsubscribeOn
```
public interface HasUpstreamMaybeSource<@NonNull T>
```
Interface indicating the implementor has an upstream MaybeSource-like source available via source() method.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  @NonNull MaybeSource<T> source()
  Returns the upstream source of this Maybe.

- Method Detail
  - source
```
@NonNull
@NonNull MaybeSource<T> source()
```
    Returns the upstream source of this Maybe.
    Allows discovering the chain of observables.
    
    Returns:
    
    the source MaybeSource