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.annotations.GwtCompatible extends java.lang.annotation.Annotation
  minor version: 0
  major version: 59
  flags: flags: (0x2601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT, ACC_ANNOTATION
  this_class: com.google.common.annotations.GwtCompatible
  super_class: java.lang.Object
{
  public abstract boolean serializable();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: false

  public abstract boolean emulated();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: false
}
SourceFile: "GwtCompatible.java"
    RuntimeVisibleAnnotations: 
      java.lang.annotation.Retention(value = java.lang.annotation.RetentionPolicy.CLASS:Ljava/lang/annotation/RetentionPolicy;)
      java.lang.annotation.Target(value = {java.lang.annotation.ElementType.TYPE:Ljava/lang/annotation/ElementType;, java.lang.annotation.ElementType.METHOD:Ljava/lang/annotation/ElementType;})
      java.lang.annotation.Documented()
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.GwtCompatible()