Êþº¾2apply<(Lio/reactivex/SingleObserver;)Lio/reactivex/SingleObserver; Exceptions SignatureX(Lio/reactivex/SingleObserver<-TDownstream;>;)Lio/reactivex/SingleObserver<-TUpstream;>;RuntimeInvisibleAnnotations"Lio/reactivex/annotations/NonNull;$RuntimeInvisibleParameterAnnotationsLLjava/lang/Object; SourceFileSingleOperator.javaio/reactivex/SingleOperatorjava/lang/Objectjava/lang/Exception