.class public interface abstract Landroidx/databinding/l; .super Ljava/lang/Object; .source "Observable.java" # annotations .annotation system Ldalvik/annotation/MemberClasses; value = { Landroidx/databinding/l$a; } .end annotation # virtual methods .method public abstract addOnPropertyChangedCallback(Landroidx/databinding/l$a;)V .end method .method public abstract removeOnPropertyChangedCallback(Landroidx/databinding/l$a;)V .end method