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. 
public interface com.google.common.collect.SortedMapDifference<K, V> extends com.google.common.collect.MapDifference<K, V>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.google.common.collect.SortedMapDifference
  super_class: java.lang.Object
{
  public abstract java.util.SortedMap<K, V> entriesOnlyOnLeft();
    descriptor: ()Ljava/util/SortedMap;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Ljava/util/SortedMap<TK;TV;>;

  public abstract java.util.SortedMap<K, V> entriesOnlyOnRight();
    descriptor: ()Ljava/util/SortedMap;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Ljava/util/SortedMap<TK;TV;>;

  public abstract java.util.SortedMap<K, V> entriesInCommon();
    descriptor: ()Ljava/util/SortedMap;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Ljava/util/SortedMap<TK;TV;>;

  public abstract java.util.SortedMap<K, com.google.common.collect.MapDifference$ValueDifference<V>> entriesDiffering();
    descriptor: ()Ljava/util/SortedMap;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Ljava/util/SortedMap<TK;Lcom/google/common/collect/MapDifference$ValueDifference<TV;>;>;

  public java.util.Map entriesOnlyOnRight();
    descriptor: ()Ljava/util/Map;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokeinterface com.google.common.collect.SortedMapDifference.entriesOnlyOnRight:()Ljava/util/SortedMap;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public java.util.Map entriesDiffering();
    descriptor: ()Ljava/util/Map;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokeinterface com.google.common.collect.SortedMapDifference.entriesDiffering:()Ljava/util/SortedMap;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public java.util.Map entriesOnlyOnLeft();
    descriptor: ()Ljava/util/Map;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokeinterface com.google.common.collect.SortedMapDifference.entriesOnlyOnLeft:()Ljava/util/SortedMap;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public java.util.Map entriesInCommon();
    descriptor: ()Ljava/util/Map;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokeinterface com.google.common.collect.SortedMapDifference.entriesInCommon:()Ljava/util/SortedMap;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/lang/Object;Lcom/google/common/collect/MapDifference<TK;TV;>;
SourceFile: "SortedMapDifference.java"
InnerClasses:
  public abstract ValueDifference = com.google.common.collect.MapDifference$ValueDifference of com.google.common.collect.MapDifference
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.GwtCompatible()