public abstract class android.telecom.Call$Listener extends android.telecom.Call$Callback
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: android.telecom.Call$Listener
  super_class: android.telecom.Call$Callback
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // android.telecom.Call$Listener this
         0: .line 1266
            aload 0 /* this */
            invokespecial android.telecom.Call$Callback.<init>:()V
            return
        end local 0 // android.telecom.Call$Listener this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Landroid/telecom/Call$Listener;
}
SourceFile: "Call.java"
NestHost: android.telecom.Call
InnerClasses:
  public abstract Callback = android.telecom.Call$Callback of android.telecom.Call
  public abstract Listener = android.telecom.Call$Listener of android.telecom.Call
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()
      android.annotation.SystemApi()