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. 
class com.google.common.cache.CacheBuilder$2 implements com.google.common.base.Supplier<com.google.common.cache.AbstractCache$StatsCounter>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.google.common.cache.CacheBuilder$2
  super_class: java.lang.Object
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.cache.CacheBuilder$2 this
         0: .line 189
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.google.common.cache.CacheBuilder$2 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/cache/CacheBuilder$2;

  public com.google.common.cache.AbstractCache$StatsCounter get();
    descriptor: ()Lcom/google/common/cache/AbstractCache$StatsCounter;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.google.common.cache.CacheBuilder$2 this
         0: .line 192
            new com.google.common.cache.AbstractCache$SimpleStatsCounter
            dup
            invokespecial com.google.common.cache.AbstractCache$SimpleStatsCounter.<init>:()V
            areturn
        end local 0 // com.google.common.cache.CacheBuilder$2 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/cache/CacheBuilder$2;

  public java.lang.Object get();
    descriptor: ()Ljava/lang/Object;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokevirtual com.google.common.cache.CacheBuilder$2.get:()Lcom/google/common/cache/AbstractCache$StatsCounter;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Ljava/lang/Object;Lcom/google/common/base/Supplier<Lcom/google/common/cache/AbstractCache$StatsCounter;>;
SourceFile: "CacheBuilder.java"
EnclosingMethod: com.google.common.cache.CacheBuilder
NestHost: com.google.common.cache.CacheBuilder
InnerClasses:
  public final SimpleStatsCounter = com.google.common.cache.AbstractCache$SimpleStatsCounter of com.google.common.cache.AbstractCache
  public abstract StatsCounter = com.google.common.cache.AbstractCache$StatsCounter of com.google.common.cache.AbstractCache
  com.google.common.cache.CacheBuilder$2