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.collect.ImmutableRangeMap$2 extends com.google.common.collect.ImmutableRangeMap<K, V>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.google.common.collect.ImmutableRangeMap$2
  super_class: com.google.common.collect.ImmutableRangeMap
{
  final com.google.common.collect.ImmutableRangeMap this$0;
    descriptor: Lcom/google/common/collect/ImmutableRangeMap;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private final com.google.common.collect.Range val$range;
    descriptor: Lcom/google/common/collect/Range;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  private final com.google.common.collect.ImmutableRangeMap val$outer;
    descriptor: Lcom/google/common/collect/ImmutableRangeMap;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(com.google.common.collect.ImmutableRangeMap, com.google.common.collect.ImmutableList, com.google.common.collect.ImmutableList, com.google.common.collect.Range, com.google.common.collect.ImmutableRangeMap);
    descriptor: (Lcom/google/common/collect/ImmutableRangeMap;Lcom/google/common/collect/ImmutableList;Lcom/google/common/collect/ImmutableList;Lcom/google/common/collect/Range;Lcom/google/common/collect/ImmutableRangeMap;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=6, args_size=6
        start local 0 // com.google.common.collect.ImmutableRangeMap$2 this
        start local 2 // com.google.common.collect.ImmutableList $anonymous0
        start local 3 // com.google.common.collect.ImmutableList $anonymous1
         0: .line 361
            aload 0 /* this */
            aload 1
            putfield com.google.common.collect.ImmutableRangeMap$2.this$0:Lcom/google/common/collect/ImmutableRangeMap;
            aload 0 /* this */
            aload 4
            putfield com.google.common.collect.ImmutableRangeMap$2.val$range:Lcom/google/common/collect/Range;
            aload 0 /* this */
            aload 5
            putfield com.google.common.collect.ImmutableRangeMap$2.val$outer:Lcom/google/common/collect/ImmutableRangeMap;
            aload 0 /* this */
            aload 2 /* $anonymous0 */
            aload 3 /* $anonymous1 */
            invokespecial com.google.common.collect.ImmutableRangeMap.<init>:(Lcom/google/common/collect/ImmutableList;Lcom/google/common/collect/ImmutableList;)V
            return
        end local 3 // com.google.common.collect.ImmutableList $anonymous1
        end local 2 // com.google.common.collect.ImmutableList $anonymous0
        end local 0 // com.google.common.collect.ImmutableRangeMap$2 this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    1     0         this  Lcom/google/common/collect/ImmutableRangeMap$2;
            0    1     2  $anonymous0  Lcom/google/common/collect/ImmutableList<Lcom/google/common/collect/Range<TK;>;>;
            0    1     3  $anonymous1  Lcom/google/common/collect/ImmutableList<TV;>;
    MethodParameters:
             Name  Flags
      this$0       final
      $anonymous0  
      $anonymous1  
      val$range    final
      val$outer    final

  public com.google.common.collect.ImmutableRangeMap<K, V> subRangeMap(com.google.common.collect.Range<K>);
    descriptor: (Lcom/google/common/collect/Range;)Lcom/google/common/collect/ImmutableRangeMap;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.google.common.collect.ImmutableRangeMap$2 this
        start local 1 // com.google.common.collect.Range subRange
         0: .line 364
            aload 0 /* this */
            getfield com.google.common.collect.ImmutableRangeMap$2.val$range:Lcom/google/common/collect/Range;
            aload 1 /* subRange */
            invokevirtual com.google.common.collect.Range.isConnected:(Lcom/google/common/collect/Range;)Z
            ifeq 2
         1: .line 365
            aload 0 /* this */
            getfield com.google.common.collect.ImmutableRangeMap$2.val$outer:Lcom/google/common/collect/ImmutableRangeMap;
            aload 1 /* subRange */
            aload 0 /* this */
            getfield com.google.common.collect.ImmutableRangeMap$2.val$range:Lcom/google/common/collect/Range;
            invokevirtual com.google.common.collect.Range.intersection:(Lcom/google/common/collect/Range;)Lcom/google/common/collect/Range;
            invokevirtual com.google.common.collect.ImmutableRangeMap.subRangeMap:(Lcom/google/common/collect/Range;)Lcom/google/common/collect/ImmutableRangeMap;
            areturn
         2: .line 367
      StackMap locals:
      StackMap stack:
            invokestatic com.google.common.collect.ImmutableRangeMap.of:()Lcom/google/common/collect/ImmutableRangeMap;
            areturn
        end local 1 // com.google.common.collect.Range subRange
        end local 0 // com.google.common.collect.ImmutableRangeMap$2 this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lcom/google/common/collect/ImmutableRangeMap$2;
            0    3     1  subRange  Lcom/google/common/collect/Range<TK;>;
    Signature: (Lcom/google/common/collect/Range<TK;>;)Lcom/google/common/collect/ImmutableRangeMap<TK;TV;>;
    MethodParameters:
          Name  Flags
      subRange  

  public com.google.common.collect.RangeMap subRangeMap(com.google.common.collect.Range);
    descriptor: (Lcom/google/common/collect/Range;)Lcom/google/common/collect/RangeMap;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            checkcast com.google.common.collect.Range
            invokevirtual com.google.common.collect.ImmutableRangeMap$2.subRangeMap:(Lcom/google/common/collect/Range;)Lcom/google/common/collect/ImmutableRangeMap;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Lcom/google/common/collect/ImmutableRangeMap<TK;TV;>;
SourceFile: "ImmutableRangeMap.java"
EnclosingMethod: com.google.common.collect.ImmutableRangeMap.subRangeMap:(Lcom/google/common/collect/Range;)Lcom/google/common/collect/ImmutableRangeMap;
NestHost: com.google.common.collect.ImmutableRangeMap
InnerClasses:
  com.google.common.collect.ImmutableRangeMap$2