.class public interface abstract Lei/i; .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()Lai/l0; .annotation system Ldalvik/annotation/Signature; value = { "()", "Lai/l0<", "TT;>;" } .end annotation .annotation build Lio/reactivex/rxjava3/annotations/NonNull; .end annotation .end method