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 abstract class com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys<K0>
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys
  super_class: java.lang.Object
{
  private static final int DEFAULT_EXPECTED_VALUES_PER_KEY;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 2

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
         0: .line 276
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys<TK0;>;

  abstract <K extends K0, V> java.util.Map<K, java.util.Collection<V>> createMap();
    descriptor: ()Ljava/util/Map;
    flags: (0x0400) ACC_ABSTRACT
    Signature: <K:TK0;V:Ljava/lang/Object;>()Ljava/util/Map<TK;Ljava/util/Collection<TV;>;>;

  public com.google.common.collect.MultimapBuilder$ListMultimapBuilder<K0, java.lang.Object> arrayListValues();
    descriptor: ()Lcom/google/common/collect/MultimapBuilder$ListMultimapBuilder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
         0: .line 282
            aload 0 /* this */
            iconst_2
            invokevirtual com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys.arrayListValues:(I)Lcom/google/common/collect/MultimapBuilder$ListMultimapBuilder;
            areturn
        end local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys<TK0;>;
    Signature: ()Lcom/google/common/collect/MultimapBuilder$ListMultimapBuilder<TK0;Ljava/lang/Object;>;

  public com.google.common.collect.MultimapBuilder$ListMultimapBuilder<K0, java.lang.Object> arrayListValues(int);
    descriptor: (I)Lcom/google/common/collect/MultimapBuilder$ListMultimapBuilder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
        start local 1 // int expectedValuesPerKey
         0: .line 292
            iload 1 /* expectedValuesPerKey */
            ldc "expectedValuesPerKey"
            invokestatic com.google.common.collect.CollectPreconditions.checkNonnegative:(ILjava/lang/String;)I
            pop
         1: .line 293
            new com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$1
            dup
            aload 0 /* this */
            iload 1 /* expectedValuesPerKey */
            invokespecial com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$1.<init>:(Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys;I)V
            areturn
        end local 1 // int expectedValuesPerKey
        end local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0    2     0                  this  Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys<TK0;>;
            0    2     1  expectedValuesPerKey  I
    Signature: (I)Lcom/google/common/collect/MultimapBuilder$ListMultimapBuilder<TK0;Ljava/lang/Object;>;
    MethodParameters:
                      Name  Flags
      expectedValuesPerKey  final

  public com.google.common.collect.MultimapBuilder$ListMultimapBuilder<K0, java.lang.Object> linkedListValues();
    descriptor: ()Lcom/google/common/collect/MultimapBuilder$ListMultimapBuilder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
         0: .line 305
            new com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$2
            dup
            aload 0 /* this */
            invokespecial com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$2.<init>:(Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys;)V
            areturn
        end local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys<TK0;>;
    Signature: ()Lcom/google/common/collect/MultimapBuilder$ListMultimapBuilder<TK0;Ljava/lang/Object;>;

  public com.google.common.collect.MultimapBuilder$SetMultimapBuilder<K0, java.lang.Object> hashSetValues();
    descriptor: ()Lcom/google/common/collect/MultimapBuilder$SetMultimapBuilder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
         0: .line 316
            aload 0 /* this */
            iconst_2
            invokevirtual com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys.hashSetValues:(I)Lcom/google/common/collect/MultimapBuilder$SetMultimapBuilder;
            areturn
        end local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys<TK0;>;
    Signature: ()Lcom/google/common/collect/MultimapBuilder$SetMultimapBuilder<TK0;Ljava/lang/Object;>;

  public com.google.common.collect.MultimapBuilder$SetMultimapBuilder<K0, java.lang.Object> hashSetValues(int);
    descriptor: (I)Lcom/google/common/collect/MultimapBuilder$SetMultimapBuilder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
        start local 1 // int expectedValuesPerKey
         0: .line 326
            iload 1 /* expectedValuesPerKey */
            ldc "expectedValuesPerKey"
            invokestatic com.google.common.collect.CollectPreconditions.checkNonnegative:(ILjava/lang/String;)I
            pop
         1: .line 327
            new com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$3
            dup
            aload 0 /* this */
            iload 1 /* expectedValuesPerKey */
            invokespecial com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$3.<init>:(Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys;I)V
            areturn
        end local 1 // int expectedValuesPerKey
        end local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0    2     0                  this  Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys<TK0;>;
            0    2     1  expectedValuesPerKey  I
    Signature: (I)Lcom/google/common/collect/MultimapBuilder$SetMultimapBuilder<TK0;Ljava/lang/Object;>;
    MethodParameters:
                      Name  Flags
      expectedValuesPerKey  final

  public com.google.common.collect.MultimapBuilder$SetMultimapBuilder<K0, java.lang.Object> linkedHashSetValues();
    descriptor: ()Lcom/google/common/collect/MultimapBuilder$SetMultimapBuilder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
         0: .line 339
            aload 0 /* this */
            iconst_2
            invokevirtual com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys.linkedHashSetValues:(I)Lcom/google/common/collect/MultimapBuilder$SetMultimapBuilder;
            areturn
        end local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys<TK0;>;
    Signature: ()Lcom/google/common/collect/MultimapBuilder$SetMultimapBuilder<TK0;Ljava/lang/Object;>;

  public com.google.common.collect.MultimapBuilder$SetMultimapBuilder<K0, java.lang.Object> linkedHashSetValues(int);
    descriptor: (I)Lcom/google/common/collect/MultimapBuilder$SetMultimapBuilder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
        start local 1 // int expectedValuesPerKey
         0: .line 349
            iload 1 /* expectedValuesPerKey */
            ldc "expectedValuesPerKey"
            invokestatic com.google.common.collect.CollectPreconditions.checkNonnegative:(ILjava/lang/String;)I
            pop
         1: .line 350
            new com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$4
            dup
            aload 0 /* this */
            iload 1 /* expectedValuesPerKey */
            invokespecial com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$4.<init>:(Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys;I)V
            areturn
        end local 1 // int expectedValuesPerKey
        end local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0    2     0                  this  Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys<TK0;>;
            0    2     1  expectedValuesPerKey  I
    Signature: (I)Lcom/google/common/collect/MultimapBuilder$SetMultimapBuilder<TK0;Ljava/lang/Object;>;
    MethodParameters:
                      Name  Flags
      expectedValuesPerKey  final

  public com.google.common.collect.MultimapBuilder$SortedSetMultimapBuilder<K0, java.lang.Comparable> treeSetValues();
    descriptor: ()Lcom/google/common/collect/MultimapBuilder$SortedSetMultimapBuilder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
         0: .line 363
            aload 0 /* this */
            invokestatic com.google.common.collect.Ordering.natural:()Lcom/google/common/collect/Ordering;
            invokevirtual com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys.treeSetValues:(Ljava/util/Comparator;)Lcom/google/common/collect/MultimapBuilder$SortedSetMultimapBuilder;
            areturn
        end local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys<TK0;>;
    Signature: ()Lcom/google/common/collect/MultimapBuilder$SortedSetMultimapBuilder<TK0;Ljava/lang/Comparable;>;

  public <V0> com.google.common.collect.MultimapBuilder$SortedSetMultimapBuilder<K0, V0> treeSetValues(java.util.Comparator<V0>);
    descriptor: (Ljava/util/Comparator;)Lcom/google/common/collect/MultimapBuilder$SortedSetMultimapBuilder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
        start local 1 // java.util.Comparator comparator
         0: .line 373
            aload 1 /* comparator */
            ldc "comparator"
            invokestatic com.google.common.base.Preconditions.checkNotNull:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 374
            new com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$5
            dup
            aload 0 /* this */
            aload 1 /* comparator */
            invokespecial com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$5.<init>:(Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys;Ljava/util/Comparator;)V
            areturn
        end local 1 // java.util.Comparator comparator
        end local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    2     0        this  Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys<TK0;>;
            0    2     1  comparator  Ljava/util/Comparator<TV0;>;
    Signature: <V0:Ljava/lang/Object;>(Ljava/util/Comparator<TV0;>;)Lcom/google/common/collect/MultimapBuilder$SortedSetMultimapBuilder<TK0;TV0;>;
    MethodParameters:
            Name  Flags
      comparator  final

  public <V0 extends java.lang.Enum<V0>> com.google.common.collect.MultimapBuilder$SetMultimapBuilder<K0, V0> enumSetValues(java.lang.Class<V0>);
    descriptor: (Ljava/lang/Class;)Lcom/google/common/collect/MultimapBuilder$SetMultimapBuilder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
        start local 1 // java.lang.Class valueClass
         0: .line 386
            aload 1 /* valueClass */
            ldc "valueClass"
            invokestatic com.google.common.base.Preconditions.checkNotNull:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 387
            new com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$6
            dup
            aload 0 /* this */
            aload 1 /* valueClass */
            invokespecial com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$6.<init>:(Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys;Ljava/lang/Class;)V
            areturn
        end local 1 // java.lang.Class valueClass
        end local 0 // com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    2     0        this  Lcom/google/common/collect/MultimapBuilder$MultimapBuilderWithKeys<TK0;>;
            0    2     1  valueClass  Ljava/lang/Class<TV0;>;
    Signature: <V0:Ljava/lang/Enum<TV0;>;>(Ljava/lang/Class<TV0;>;)Lcom/google/common/collect/MultimapBuilder$SetMultimapBuilder<TK0;TV0;>;
    MethodParameters:
            Name  Flags
      valueClass  final
}
Signature: <K0:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "MultimapBuilder.java"
NestHost: com.google.common.collect.MultimapBuilder
InnerClasses:
  public abstract ListMultimapBuilder = com.google.common.collect.MultimapBuilder$ListMultimapBuilder of com.google.common.collect.MultimapBuilder
  public abstract MultimapBuilderWithKeys = com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys of com.google.common.collect.MultimapBuilder
  com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$1
  com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$2
  com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$3
  com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$4
  com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$5
  com.google.common.collect.MultimapBuilder$MultimapBuilderWithKeys$6
  public abstract SetMultimapBuilder = com.google.common.collect.MultimapBuilder$SetMultimapBuilder of com.google.common.collect.MultimapBuilder
  public abstract SortedSetMultimapBuilder = com.google.common.collect.MultimapBuilder$SortedSetMultimapBuilder of com.google.common.collect.MultimapBuilder