https://github.com/google/guava/guava: Guava is a suite of core and expanded libraries that include utility classes, google's collections, io classes, and much much more. 
public interface com.google.common.base.FinalizableReference
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.google.common.base.FinalizableReference
  super_class: java.lang.Object
{
  public abstract void finalizeReferent();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "FinalizableReference.java"
    RuntimeVisibleAnnotations: 
      com.google.errorprone.annotations.DoNotMock(value = "Use an instance of one of the Finalizable*Reference classes")
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.GwtIncompatible()