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$LocalLoadingCache<K, V> extends com.google.common.cache.LocalCache$LocalManualCache<K, V> implements com.google.common.cache.LoadingCache<K, V>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.google.common.cache.LocalCache$LocalLoadingCache
  super_class: com.google.common.cache.LocalCache$LocalManualCache
{
  private static final long serialVersionUID;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 1

  void <init>(com.google.common.cache.CacheBuilder<? super K, ? super V>, com.google.common.cache.CacheLoader<? super K, V>);
    descriptor: (Lcom/google/common/cache/CacheBuilder;Lcom/google/common/cache/CacheLoader;)V
    flags: (0x0000) 
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // com.google.common.cache.LocalCache$LocalLoadingCache this
        start local 1 // com.google.common.cache.CacheBuilder builder
        start local 2 // com.google.common.cache.CacheLoader loader
         0: .line 4950
            aload 0 /* this */
            new com.google.common.cache.LocalCache
            dup
            aload 1 /* builder */
            aload 2 /* loader */
            invokestatic com.google.common.base.Preconditions.checkNotNull:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.google.common.cache.CacheLoader
            invokespecial com.google.common.cache.LocalCache.<init>:(Lcom/google/common/cache/CacheBuilder;Lcom/google/common/cache/CacheLoader;)V
            invokespecial com.google.common.cache.LocalCache$LocalManualCache.<init>:(Lcom/google/common/cache/LocalCache;)V
         1: .line 4951
            return
        end local 2 // com.google.common.cache.CacheLoader loader
        end local 1 // com.google.common.cache.CacheBuilder builder
        end local 0 // com.google.common.cache.LocalCache$LocalLoadingCache this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    2     0     this  Lcom/google/common/cache/LocalCache$LocalLoadingCache<TK;TV;>;
            0    2     1  builder  Lcom/google/common/cache/CacheBuilder<-TK;-TV;>;
            0    2     2   loader  Lcom/google/common/cache/CacheLoader<-TK;TV;>;
    Signature: (Lcom/google/common/cache/CacheBuilder<-TK;-TV;>;Lcom/google/common/cache/CacheLoader<-TK;TV;>;)V
    MethodParameters:
         Name  Flags
      builder  
      loader   

  public V get();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.cache.LocalCache$LocalLoadingCache this
        start local 1 // java.lang.Object key
         0: .line 4957
            aload 0 /* this */
            getfield com.google.common.cache.LocalCache$LocalLoadingCache.localCache:Lcom/google/common/cache/LocalCache;
            aload 1 /* key */
            invokevirtual com.google.common.cache.LocalCache.getOrLoad:(Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 1 // java.lang.Object key
        end local 0 // com.google.common.cache.LocalCache$LocalLoadingCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/cache/LocalCache$LocalLoadingCache<TK;TV;>;
            0    1     1   key  TK;
    Exceptions:
      throws java.util.concurrent.ExecutionException
    Signature: (TK;)TV;
    MethodParameters:
      Name  Flags
      key   

  public V getUnchecked();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // com.google.common.cache.LocalCache$LocalLoadingCache this
        start local 1 // java.lang.Object key
         0: .line 4963
            aload 0 /* this */
            aload 1 /* key */
            invokevirtual com.google.common.cache.LocalCache$LocalLoadingCache.get:(Ljava/lang/Object;)Ljava/lang/Object;
         1: areturn
         2: .line 4964
      StackMap locals:
      StackMap stack: java.util.concurrent.ExecutionException
            astore 2 /* e */
        start local 2 // java.util.concurrent.ExecutionException e
         3: .line 4965
            new com.google.common.util.concurrent.UncheckedExecutionException
            dup
            aload 2 /* e */
            invokevirtual java.util.concurrent.ExecutionException.getCause:()Ljava/lang/Throwable;
            invokespecial com.google.common.util.concurrent.UncheckedExecutionException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 2 // java.util.concurrent.ExecutionException e
        end local 1 // java.lang.Object key
        end local 0 // com.google.common.cache.LocalCache$LocalLoadingCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lcom/google/common/cache/LocalCache$LocalLoadingCache<TK;TV;>;
            0    4     1   key  TK;
            3    4     2     e  Ljava/util/concurrent/ExecutionException;
      Exception table:
        from    to  target  type
           0     1       2  Class java.util.concurrent.ExecutionException
    Signature: (TK;)TV;
    MethodParameters:
      Name  Flags
      key   

  public com.google.common.collect.ImmutableMap<K, V> getAll(java.lang.Iterable<? extends K>);
    descriptor: (Ljava/lang/Iterable;)Lcom/google/common/collect/ImmutableMap;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.cache.LocalCache$LocalLoadingCache this
        start local 1 // java.lang.Iterable keys
         0: .line 4971
            aload 0 /* this */
            getfield com.google.common.cache.LocalCache$LocalLoadingCache.localCache:Lcom/google/common/cache/LocalCache;
            aload 1 /* keys */
            invokevirtual com.google.common.cache.LocalCache.getAll:(Ljava/lang/Iterable;)Lcom/google/common/collect/ImmutableMap;
            areturn
        end local 1 // java.lang.Iterable keys
        end local 0 // com.google.common.cache.LocalCache$LocalLoadingCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/cache/LocalCache$LocalLoadingCache<TK;TV;>;
            0    1     1  keys  Ljava/lang/Iterable<+TK;>;
    Exceptions:
      throws java.util.concurrent.ExecutionException
    Signature: (Ljava/lang/Iterable<+TK;>;)Lcom/google/common/collect/ImmutableMap<TK;TV;>;
    MethodParameters:
      Name  Flags
      keys  

  public void refresh();
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.cache.LocalCache$LocalLoadingCache this
        start local 1 // java.lang.Object key
         0: .line 4976
            aload 0 /* this */
            getfield com.google.common.cache.LocalCache$LocalLoadingCache.localCache:Lcom/google/common/cache/LocalCache;
            aload 1 /* key */
            invokevirtual com.google.common.cache.LocalCache.refresh:(Ljava/lang/Object;)V
         1: .line 4977
            return
        end local 1 // java.lang.Object key
        end local 0 // com.google.common.cache.LocalCache$LocalLoadingCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/google/common/cache/LocalCache$LocalLoadingCache<TK;TV;>;
            0    2     1   key  TK;
    Signature: (TK;)V
    MethodParameters:
      Name  Flags
      key   

  public final V apply();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.cache.LocalCache$LocalLoadingCache this
        start local 1 // java.lang.Object key
         0: .line 4981
            aload 0 /* this */
            aload 1 /* key */
            invokevirtual com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked:(Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 1 // java.lang.Object key
        end local 0 // com.google.common.cache.LocalCache$LocalLoadingCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/cache/LocalCache$LocalLoadingCache<TK;TV;>;
            0    1     1   key  TK;
    Signature: (TK;)TV;
    MethodParameters:
      Name  Flags
      key   

  java.lang.Object writeReplace();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.google.common.cache.LocalCache$LocalLoadingCache this
         0: .line 4990
            new com.google.common.cache.LocalCache$LoadingSerializationProxy
            dup
            aload 0 /* this */
            getfield com.google.common.cache.LocalCache$LocalLoadingCache.localCache:Lcom/google/common/cache/LocalCache;
            invokespecial com.google.common.cache.LocalCache$LoadingSerializationProxy.<init>:(Lcom/google/common/cache/LocalCache;)V
            areturn
        end local 0 // com.google.common.cache.LocalCache$LocalLoadingCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/cache/LocalCache$LocalLoadingCache<TK;TV;>;
}
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>Lcom/google/common/cache/LocalCache$LocalManualCache<TK;TV;>;Lcom/google/common/cache/LoadingCache<TK;TV;>;
SourceFile: "LocalCache.java"
NestHost: com.google.common.cache.LocalCache
InnerClasses:
  final LoadingSerializationProxy = com.google.common.cache.LocalCache$LoadingSerializationProxy of com.google.common.cache.LocalCache
  LocalLoadingCache = com.google.common.cache.LocalCache$LocalLoadingCache of com.google.common.cache.LocalCache
  LocalManualCache = com.google.common.cache.LocalCache$LocalManualCache of com.google.common.cache.LocalCache