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. 
interface com.google.common.cache.LocalCache$ValueReference<K, V>
  minor version: 0
  major version: 59
  flags: flags: (0x0600) ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.google.common.cache.LocalCache$ValueReference
  super_class: java.lang.Object
{
  public abstract V get();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()TV;
    RuntimeVisibleTypeAnnotations: 
      METHOD_RETURN
        org.checkerframework.checker.nullness.qual.Nullable()

  public abstract V waitForValue();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.util.concurrent.ExecutionException
    Signature: ()TV;

  public abstract int getWeight();
    descriptor: ()I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract com.google.common.cache.ReferenceEntry<K, V> getEntry();
    descriptor: ()Lcom/google/common/cache/ReferenceEntry;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Lcom/google/common/cache/ReferenceEntry<TK;TV;>;
    RuntimeVisibleTypeAnnotations: 
      METHOD_RETURN
        org.checkerframework.checker.nullness.qual.Nullable()

  public abstract com.google.common.cache.LocalCache$ValueReference<K, V> copyFor(java.lang.ref.ReferenceQueue<V>, V, com.google.common.cache.ReferenceEntry<K, V>);
    descriptor: (Ljava/lang/ref/ReferenceQueue;Ljava/lang/Object;Lcom/google/common/cache/ReferenceEntry;)Lcom/google/common/cache/LocalCache$ValueReference;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (Ljava/lang/ref/ReferenceQueue<TV;>;TV;Lcom/google/common/cache/ReferenceEntry<TK;TV;>;)Lcom/google/common/cache/LocalCache$ValueReference<TK;TV;>;
    RuntimeVisibleTypeAnnotations: 
      METHOD_FORMAL_PARAMETER
        org.checkerframework.checker.nullness.qual.Nullable()
    MethodParameters:
       Name  Flags
      queue  
      value  
      entry  

  public abstract void notifyNewValue();
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (TV;)V
    RuntimeVisibleTypeAnnotations: 
      METHOD_FORMAL_PARAMETER
        org.checkerframework.checker.nullness.qual.Nullable()
    MethodParameters:
          Name  Flags
      newValue  

  public abstract boolean isLoading();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract boolean isActive();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "LocalCache.java"
NestHost: com.google.common.cache.LocalCache
InnerClasses:
  abstract ValueReference = com.google.common.cache.LocalCache$ValueReference of com.google.common.cache.LocalCache