.class public interface abstract Lio/reactivex/internal/fuseable/HasUpstreamObservableSource; .super Ljava/lang/Object; .source "HasUpstreamObservableSource.java" # annotations .annotation system Ldalvik/annotation/Signature; value = { "", "Ljava/lang/Object;" } .end annotation # virtual methods .method public abstract source()Lio/reactivex/ObservableSource; .annotation system Ldalvik/annotation/Signature; value = { "()", "Lio/reactivex/ObservableSource<", "TT;>;" } .end annotation .end method