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public final class com.google.common.collect.MoreCollectors
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.google.common.collect.MoreCollectors
  super_class: java.lang.Object
{
  private static final java.util.stream.Collector<java.lang.Object, ?, java.util.Optional<java.lang.Object>> TO_OPTIONAL;
    descriptor: Ljava/util/stream/Collector;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/stream/Collector<Ljava/lang/Object;*Ljava/util/Optional<Ljava/lang/Object;>;>;

  private static final java.lang.Object NULL_PLACEHOLDER;
    descriptor: Ljava/lang/Object;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.util.stream.Collector<java.lang.Object, ?, java.lang.Object> ONLY_ELEMENT;
    descriptor: Ljava/util/stream/Collector;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/stream/Collector<Ljava/lang/Object;*Ljava/lang/Object;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=8, locals=0, args_size=0
         0: .line 47
            invokedynamic get()Ljava/util/function/Supplier;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  ()Ljava/lang/Object;
                  com/google/common/collect/MoreCollectors$ToOptionalState.<init>()V (8)
                  ()Lcom/google/common/collect/MoreCollectors$ToOptionalState;
         1: .line 48
            invokedynamic accept()Ljava/util/function/BiConsumer;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;Ljava/lang/Object;)V
                  com/google/common/collect/MoreCollectors$ToOptionalState.add(Ljava/lang/Object;)V (5)
                  (Lcom/google/common/collect/MoreCollectors$ToOptionalState;Ljava/lang/Object;)V
         2: .line 49
            invokedynamic apply()Ljava/util/function/BinaryOperator;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
                  com/google/common/collect/MoreCollectors$ToOptionalState.combine(Lcom/google/common/collect/MoreCollectors$ToOptionalState;)Lcom/google/common/collect/MoreCollectors$ToOptionalState; (5)
                  (Lcom/google/common/collect/MoreCollectors$ToOptionalState;Lcom/google/common/collect/MoreCollectors$ToOptionalState;)Lcom/google/common/collect/MoreCollectors$ToOptionalState;
         3: .line 50
            invokedynamic apply()Ljava/util/function/Function;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Ljava/lang/Object;
                  com/google/common/collect/MoreCollectors$ToOptionalState.getOptional()Ljava/util/Optional; (5)
                  (Lcom/google/common/collect/MoreCollectors$ToOptionalState;)Ljava/util/Optional;
            iconst_1
            anewarray java.util.stream.Collector$Characteristics
            dup
            iconst_0
         4: .line 51
            getstatic java.util.stream.Collector$Characteristics.UNORDERED:Ljava/util/stream/Collector$Characteristics;
            aastore
         5: .line 46
            invokestatic java.util.stream.Collector.of:(Ljava/util/function/Supplier;Ljava/util/function/BiConsumer;Ljava/util/function/BinaryOperator;Ljava/util/function/Function;[Ljava/util/stream/Collector$Characteristics;)Ljava/util/stream/Collector;
         6: .line 45
            putstatic com.google.common.collect.MoreCollectors.TO_OPTIONAL:Ljava/util/stream/Collector;
         7: .line 64
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putstatic com.google.common.collect.MoreCollectors.NULL_PLACEHOLDER:Ljava/lang/Object;
         8: .line 68
            invokedynamic get()Ljava/util/function/Supplier;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  ()Ljava/lang/Object;
                  com/google/common/collect/MoreCollectors$ToOptionalState.<init>()V (8)
                  ()Lcom/google/common/collect/MoreCollectors$ToOptionalState;
         9: .line 69
            invokedynamic accept()Ljava/util/function/BiConsumer;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;Ljava/lang/Object;)V
                  com/google/common/collect/MoreCollectors.lambda$5(Lcom/google/common/collect/MoreCollectors$ToOptionalState;Ljava/lang/Object;)V (6)
                  (Lcom/google/common/collect/MoreCollectors$ToOptionalState;Ljava/lang/Object;)V
        10: .line 70
            invokedynamic apply()Ljava/util/function/BinaryOperator;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
                  com/google/common/collect/MoreCollectors$ToOptionalState.combine(Lcom/google/common/collect/MoreCollectors$ToOptionalState;)Lcom/google/common/collect/MoreCollectors$ToOptionalState; (5)
                  (Lcom/google/common/collect/MoreCollectors$ToOptionalState;Lcom/google/common/collect/MoreCollectors$ToOptionalState;)Lcom/google/common/collect/MoreCollectors$ToOptionalState;
        11: .line 71
            invokedynamic apply()Ljava/util/function/Function;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Ljava/lang/Object;
                  com/google/common/collect/MoreCollectors.lambda$7(Lcom/google/common/collect/MoreCollectors$ToOptionalState;)Ljava/lang/Object; (6)
                  (Lcom/google/common/collect/MoreCollectors$ToOptionalState;)Ljava/lang/Object;
            iconst_1
            anewarray java.util.stream.Collector$Characteristics
            dup
            iconst_0
        12: .line 75
            getstatic java.util.stream.Collector$Characteristics.UNORDERED:Ljava/util/stream/Collector$Characteristics;
            aastore
        13: .line 67
            invokestatic java.util.stream.Collector.of:(Ljava/util/function/Supplier;Ljava/util/function/BiConsumer;Ljava/util/function/BinaryOperator;Ljava/util/function/Function;[Ljava/util/stream/Collector$Characteristics;)Ljava/util/stream/Collector;
        14: .line 66
            putstatic com.google.common.collect.MoreCollectors.ONLY_ELEMENT:Ljava/util/stream/Collector;
        15: .line 75
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static <T> java.util.stream.Collector<T, ?, java.util.Optional<T>> toOptional();
    descriptor: ()Ljava/util/stream/Collector;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 61
            getstatic com.google.common.collect.MoreCollectors.TO_OPTIONAL:Ljava/util/stream/Collector;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Signature: <T:Ljava/lang/Object;>()Ljava/util/stream/Collector<TT;*Ljava/util/Optional<TT;>;>;

  public static <T> java.util.stream.Collector<T, ?, T> onlyElement();
    descriptor: ()Ljava/util/stream/Collector;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 84
            getstatic com.google.common.collect.MoreCollectors.ONLY_ELEMENT:Ljava/util/stream/Collector;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Signature: <T:Ljava/lang/Object;>()Ljava/util/stream/Collector<TT;*TT;>;

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.collect.MoreCollectors this
         0: .line 169
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.google.common.collect.MoreCollectors this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/MoreCollectors;

  private static void lambda$5(com.google.common.collect.MoreCollectors$ToOptionalState, java.lang.Object);
    descriptor: (Lcom/google/common/collect/MoreCollectors$ToOptionalState;Ljava/lang/Object;)V
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.collect.MoreCollectors$ToOptionalState state
        start local 1 // java.lang.Object o
         0: .line 69
            aload 0 /* state */
            aload 1 /* o */
            ifnonnull 1
            getstatic com.google.common.collect.MoreCollectors.NULL_PLACEHOLDER:Ljava/lang/Object;
            goto 2
      StackMap locals:
      StackMap stack: com.google.common.collect.MoreCollectors$ToOptionalState
         1: aload 1 /* o */
      StackMap locals: com.google.common.collect.MoreCollectors$ToOptionalState java.lang.Object
      StackMap stack: com.google.common.collect.MoreCollectors$ToOptionalState java.lang.Object
         2: invokevirtual com.google.common.collect.MoreCollectors$ToOptionalState.add:(Ljava/lang/Object;)V
            return
        end local 1 // java.lang.Object o
        end local 0 // com.google.common.collect.MoreCollectors$ToOptionalState state
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0  state  Lcom/google/common/collect/MoreCollectors$ToOptionalState;
            0    3     1      o  Ljava/lang/Object;

  private static java.lang.Object lambda$7(com.google.common.collect.MoreCollectors$ToOptionalState);
    descriptor: (Lcom/google/common/collect/MoreCollectors$ToOptionalState;)Ljava/lang/Object;
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // com.google.common.collect.MoreCollectors$ToOptionalState state
         0: .line 72
            aload 0 /* state */
            invokevirtual com.google.common.collect.MoreCollectors$ToOptionalState.getElement:()Ljava/lang/Object;
            astore 1 /* result */
        start local 1 // java.lang.Object result
         1: .line 73
            aload 1 /* result */
            getstatic com.google.common.collect.MoreCollectors.NULL_PLACEHOLDER:Ljava/lang/Object;
            if_acmpne 2
            aconst_null
            goto 3
      StackMap locals: java.lang.Object
      StackMap stack:
         2: aload 1 /* result */
      StackMap locals:
      StackMap stack: java.lang.Object
         3: areturn
        end local 1 // java.lang.Object result
        end local 0 // com.google.common.collect.MoreCollectors$ToOptionalState state
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0   state  Lcom/google/common/collect/MoreCollectors$ToOptionalState;
            1    4     1  result  Ljava/lang/Object;
}
SourceFile: "MoreCollectors.java"
NestMembers:
  com.google.common.collect.MoreCollectors$ToOptionalState
InnerClasses:
  private final ToOptionalState = com.google.common.collect.MoreCollectors$ToOptionalState of com.google.common.collect.MoreCollectors
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
  public final Characteristics = java.util.stream.Collector$Characteristics of java.util.stream.Collector
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.Beta()
      com.google.common.annotations.GwtCompatible()