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 class net.bytebuddy.matcher.NullMatcher<T> extends net.bytebuddy.matcher.ElementMatcher$Junction$AbstractBase<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: net.bytebuddy.matcher.NullMatcher
  super_class: net.bytebuddy.matcher.ElementMatcher$Junction$AbstractBase
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // net.bytebuddy.matcher.NullMatcher this
         0: .line 26
            aload 0 /* this */
            invokespecial net.bytebuddy.matcher.ElementMatcher$Junction$AbstractBase.<init>:()V
            return
        end local 0 // net.bytebuddy.matcher.NullMatcher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lnet/bytebuddy/matcher/NullMatcher<TT;>;

  public boolean matches();
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // net.bytebuddy.matcher.NullMatcher this
        start local 1 // java.lang.Object target
         0: .line 32
            aload 1 /* target */
            ifnonnull 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // java.lang.Object target
        end local 0 // net.bytebuddy.matcher.NullMatcher this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lnet/bytebuddy/matcher/NullMatcher<TT;>;
            0    2     1  target  TT;
    Signature: (TT;)Z
    MethodParameters:
        Name  Flags
      target  

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // net.bytebuddy.matcher.NullMatcher this
         0: .line 37
            ldc "isNull()"
            areturn
        end local 0 // net.bytebuddy.matcher.NullMatcher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lnet/bytebuddy/matcher/NullMatcher<TT;>;
}
Signature: <T:Ljava/lang/Object;>Lnet/bytebuddy/matcher/ElementMatcher$Junction$AbstractBase<TT;>;
SourceFile: "NullMatcher.java"
InnerClasses:
  public abstract Enhance = net.bytebuddy.build.HashCodeAndEqualsPlugin$Enhance of net.bytebuddy.build.HashCodeAndEqualsPlugin
  public abstract Junction = net.bytebuddy.matcher.ElementMatcher$Junction of net.bytebuddy.matcher.ElementMatcher
  public abstract AbstractBase = net.bytebuddy.matcher.ElementMatcher$Junction$AbstractBase of net.bytebuddy.matcher.ElementMatcher$Junction
    RuntimeVisibleAnnotations: 
      net.bytebuddy.build.HashCodeAndEqualsPlugin$Enhance()