http://bytebuddy.net/byte-buddy-dep: Byte Buddy is a Java library for creating Java classes at run time. This artifact is a build of Byte Buddy with a remaining dependency onto ASM. You should never depend on this module without repackaging Byte Buddy and ASM into your own namespace. 
public final class net.bytebuddy.implementation.FixedValue$ForNullValue extends java.lang.Enum<net.bytebuddy.implementation.FixedValue$ForNullValue> implements net.bytebuddy.implementation.Implementation, net.bytebuddy.implementation.bytecode.ByteCodeAppender
  minor version: 0
  major version: 59
  flags: flags: (0x4031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER, ACC_ANNOTATION
  this_class: net.bytebuddy.implementation.FixedValue$ForNullValue
  super_class: java.lang.Enum
{
  public static final net.bytebuddy.implementation.FixedValue$ForNullValue INSTANCE;
    descriptor: Lnet/bytebuddy/implementation/FixedValue$ForNullValue;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  private static final net.bytebuddy.implementation.FixedValue$ForNullValue[] ENUM$VALUES;
    descriptor: [Lnet/bytebuddy/implementation/FixedValue$ForNullValue;
    flags: (0x101a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 259
            new net.bytebuddy.implementation.FixedValue$ForNullValue
            dup
            ldc "INSTANCE"
            iconst_0
            invokespecial net.bytebuddy.implementation.FixedValue$ForNullValue.<init>:(Ljava/lang/String;I)V
         1: .line 262
            putstatic net.bytebuddy.implementation.FixedValue$ForNullValue.INSTANCE:Lnet/bytebuddy/implementation/FixedValue$ForNullValue;
         2: .line 257
            iconst_1
            anewarray net.bytebuddy.implementation.FixedValue$ForNullValue
            dup
            iconst_0
            getstatic net.bytebuddy.implementation.FixedValue$ForNullValue.INSTANCE:Lnet/bytebuddy/implementation/FixedValue$ForNullValue;
            aastore
            putstatic net.bytebuddy.implementation.FixedValue$ForNullValue.ENUM$VALUES:[Lnet/bytebuddy/implementation/FixedValue$ForNullValue;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>(java.lang.String, int);
    descriptor: (Ljava/lang/String;I)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // net.bytebuddy.implementation.FixedValue$ForNullValue this
         0: .line 257
            aload 0 /* this */
            aload 1
            iload 2
            invokespecial java.lang.Enum.<init>:(Ljava/lang/String;I)V
            return
        end local 0 // net.bytebuddy.implementation.FixedValue$ForNullValue this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lnet/bytebuddy/implementation/FixedValue$ForNullValue;
    MethodParameters:
               Name  Flags
      $enum$name     
      $enum$ordinal  

  public net.bytebuddy.implementation.bytecode.ByteCodeAppender appender(net.bytebuddy.implementation.Implementation$Target);
    descriptor: (Lnet/bytebuddy/implementation/Implementation$Target;)Lnet/bytebuddy/implementation/bytecode/ByteCodeAppender;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // net.bytebuddy.implementation.FixedValue$ForNullValue this
        start local 1 // net.bytebuddy.implementation.Implementation$Target implementationTarget
         0: .line 268
            aload 0 /* this */
            areturn
        end local 1 // net.bytebuddy.implementation.Implementation$Target implementationTarget
        end local 0 // net.bytebuddy.implementation.FixedValue$ForNullValue this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0    1     0                  this  Lnet/bytebuddy/implementation/FixedValue$ForNullValue;
            0    1     1  implementationTarget  Lnet/bytebuddy/implementation/Implementation$Target;
    MethodParameters:
                      Name  Flags
      implementationTarget  

  public net.bytebuddy.dynamic.scaffold.InstrumentedType prepare(net.bytebuddy.dynamic.scaffold.InstrumentedType);
    descriptor: (Lnet/bytebuddy/dynamic/scaffold/InstrumentedType;)Lnet/bytebuddy/dynamic/scaffold/InstrumentedType;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // net.bytebuddy.implementation.FixedValue$ForNullValue this
        start local 1 // net.bytebuddy.dynamic.scaffold.InstrumentedType instrumentedType
         0: .line 275
            aload 1 /* instrumentedType */
            areturn
        end local 1 // net.bytebuddy.dynamic.scaffold.InstrumentedType instrumentedType
        end local 0 // net.bytebuddy.implementation.FixedValue$ForNullValue this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    1     0              this  Lnet/bytebuddy/implementation/FixedValue$ForNullValue;
            0    1     1  instrumentedType  Lnet/bytebuddy/dynamic/scaffold/InstrumentedType;
    MethodParameters:
                  Name  Flags
      instrumentedType  

  public net.bytebuddy.implementation.bytecode.ByteCodeAppender$Size apply(org.objectweb.asm.MethodVisitor, net.bytebuddy.implementation.Implementation$Context, net.bytebuddy.description.method.MethodDescription);
    descriptor: (Lorg/objectweb/asm/MethodVisitor;Lnet/bytebuddy/implementation/Implementation$Context;Lnet/bytebuddy/description/method/MethodDescription;)Lnet/bytebuddy/implementation/bytecode/ByteCodeAppender$Size;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=4, args_size=4
        start local 0 // net.bytebuddy.implementation.FixedValue$ForNullValue this
        start local 1 // org.objectweb.asm.MethodVisitor methodVisitor
        start local 2 // net.bytebuddy.implementation.Implementation$Context implementationContext
        start local 3 // net.bytebuddy.description.method.MethodDescription instrumentedMethod
         0: .line 282
            aload 3 /* instrumentedMethod */
            invokeinterface net.bytebuddy.description.method.MethodDescription.getReturnType:()Lnet/bytebuddy/description/type/TypeDescription$Generic;
            invokeinterface net.bytebuddy.description.type.TypeDescription$Generic.isPrimitive:()Z
            ifeq 2
         1: .line 283
            new java.lang.IllegalStateException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Cannot return null from "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 3 /* instrumentedMethod */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 285
      StackMap locals:
      StackMap stack:
            new net.bytebuddy.implementation.bytecode.ByteCodeAppender$Simple
            dup
            iconst_2
            anewarray net.bytebuddy.implementation.bytecode.StackManipulation
            dup
            iconst_0
         3: .line 286
            getstatic net.bytebuddy.implementation.bytecode.constant.NullConstant.INSTANCE:Lnet/bytebuddy/implementation/bytecode/constant/NullConstant;
            aastore
            dup
            iconst_1
         4: .line 287
            getstatic net.bytebuddy.implementation.bytecode.member.MethodReturn.REFERENCE:Lnet/bytebuddy/implementation/bytecode/member/MethodReturn;
         5: .line 285
            aastore
            invokespecial net.bytebuddy.implementation.bytecode.ByteCodeAppender$Simple.<init>:([Lnet/bytebuddy/implementation/bytecode/StackManipulation;)V
         6: .line 288
            aload 1 /* methodVisitor */
            aload 2 /* implementationContext */
            aload 3 /* instrumentedMethod */
            invokevirtual net.bytebuddy.implementation.bytecode.ByteCodeAppender$Simple.apply:(Lorg/objectweb/asm/MethodVisitor;Lnet/bytebuddy/implementation/Implementation$Context;Lnet/bytebuddy/description/method/MethodDescription;)Lnet/bytebuddy/implementation/bytecode/ByteCodeAppender$Size;
         7: .line 285
            areturn
        end local 3 // net.bytebuddy.description.method.MethodDescription instrumentedMethod
        end local 2 // net.bytebuddy.implementation.Implementation$Context implementationContext
        end local 1 // org.objectweb.asm.MethodVisitor methodVisitor
        end local 0 // net.bytebuddy.implementation.FixedValue$ForNullValue this
      LocalVariableTable:
        Start  End  Slot                   Name  Signature
            0    8     0                   this  Lnet/bytebuddy/implementation/FixedValue$ForNullValue;
            0    8     1          methodVisitor  Lorg/objectweb/asm/MethodVisitor;
            0    8     2  implementationContext  Lnet/bytebuddy/implementation/Implementation$Context;
            0    8     3     instrumentedMethod  Lnet/bytebuddy/description/method/MethodDescription;
    MethodParameters:
                       Name  Flags
      methodVisitor          
      implementationContext  
      instrumentedMethod     

  public static net.bytebuddy.implementation.FixedValue$ForNullValue[] values();
    descriptor: ()[Lnet/bytebuddy/implementation/FixedValue$ForNullValue;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=3, args_size=0
         0: .line 1
            getstatic net.bytebuddy.implementation.FixedValue$ForNullValue.ENUM$VALUES:[Lnet/bytebuddy/implementation/FixedValue$ForNullValue;
            dup
            astore 0
            iconst_0
            aload 0
            arraylength
            dup
            istore 1
            anewarray net.bytebuddy.implementation.FixedValue$ForNullValue
            dup
            astore 2
            iconst_0
            iload 1
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
            aload 2
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static net.bytebuddy.implementation.FixedValue$ForNullValue valueOf(java.lang.String);
    descriptor: (Ljava/lang/String;)Lnet/bytebuddy/implementation/FixedValue$ForNullValue;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
         0: .line 1
            ldc Lnet/bytebuddy/implementation/FixedValue$ForNullValue;
            aload 0
            invokestatic java.lang.Enum.valueOf:(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Enum;
            checkcast net.bytebuddy.implementation.FixedValue$ForNullValue
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    MethodParameters:
      Name  Flags
      name  
}
Signature: Ljava/lang/Enum<Lnet/bytebuddy/implementation/FixedValue$ForNullValue;>;Lnet/bytebuddy/implementation/Implementation;Lnet/bytebuddy/implementation/bytecode/ByteCodeAppender;
SourceFile: "FixedValue.java"
NestHost: net.bytebuddy.implementation.FixedValue
InnerClasses:
  public abstract Generic = net.bytebuddy.description.type.TypeDescription$Generic of net.bytebuddy.description.type.TypeDescription
  protected final ForNullValue = net.bytebuddy.implementation.FixedValue$ForNullValue of net.bytebuddy.implementation.FixedValue
  public abstract Context = net.bytebuddy.implementation.Implementation$Context of net.bytebuddy.implementation.Implementation
  public abstract Target = net.bytebuddy.implementation.Implementation$Target of net.bytebuddy.implementation.Implementation
  public Simple = net.bytebuddy.implementation.bytecode.ByteCodeAppender$Simple of net.bytebuddy.implementation.bytecode.ByteCodeAppender
  public Size = net.bytebuddy.implementation.bytecode.ByteCodeAppender$Size of net.bytebuddy.implementation.bytecode.ByteCodeAppender