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.LocalCache$LocalManualCache$1 extends com.google.common.cache.CacheLoader<java.lang.Object, V>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.google.common.cache.LocalCache$LocalManualCache$1
  super_class: com.google.common.cache.CacheLoader
{
  final com.google.common.cache.LocalCache$LocalManualCache this$1;
    descriptor: Lcom/google/common/cache/LocalCache$LocalManualCache;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private final java.util.concurrent.Callable val$valueLoader;
    descriptor: Ljava/util/concurrent/Callable;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(com.google.common.cache.LocalCache$LocalManualCache, java.util.concurrent.Callable);
    descriptor: (Lcom/google/common/cache/LocalCache$LocalManualCache;Ljava/util/concurrent/Callable;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.google.common.cache.LocalCache$LocalManualCache$1 this
         0: .line 4872
            aload 0 /* this */
            aload 1
            putfield com.google.common.cache.LocalCache$LocalManualCache$1.this$1:Lcom/google/common/cache/LocalCache$LocalManualCache;
            aload 0 /* this */
            aload 2
            putfield com.google.common.cache.LocalCache$LocalManualCache$1.val$valueLoader:Ljava/util/concurrent/Callable;
            aload 0 /* this */
            invokespecial com.google.common.cache.CacheLoader.<init>:()V
            return
        end local 0 // com.google.common.cache.LocalCache$LocalManualCache$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/cache/LocalCache$LocalManualCache$1;
    MethodParameters:
                 Name  Flags
      this$0           final
      val$valueLoader  final

  public V load();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // com.google.common.cache.LocalCache$LocalManualCache$1 this
        start local 1 // java.lang.Object key
         0: .line 4875
            aload 0 /* this */
            getfield com.google.common.cache.LocalCache$LocalManualCache$1.val$valueLoader:Ljava/util/concurrent/Callable;
            invokeinterface java.util.concurrent.Callable.call:()Ljava/lang/Object;
            areturn
        end local 1 // java.lang.Object key
        end local 0 // com.google.common.cache.LocalCache$LocalManualCache$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/cache/LocalCache$LocalManualCache$1;
            0    1     1   key  Ljava/lang/Object;
    Exceptions:
      throws java.lang.Exception
    Signature: (Ljava/lang/Object;)TV;
    MethodParameters:
      Name  Flags
      key   
}
Signature: Lcom/google/common/cache/CacheLoader<Ljava/lang/Object;TV;>;
SourceFile: "LocalCache.java"
EnclosingMethod: com.google.common.cache.LocalCache$LocalManualCache.get:(Ljava/lang/Object;Ljava/util/concurrent/Callable;)Ljava/lang/Object;
NestHost: com.google.common.cache.LocalCache
InnerClasses:
  LocalManualCache = com.google.common.cache.LocalCache$LocalManualCache of com.google.common.cache.LocalCache
  com.google.common.cache.LocalCache$LocalManualCache$1