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.build.HashCodeAndEqualsPlugin$WithNonNullableFields extends net.bytebuddy.build.HashCodeAndEqualsPlugin
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: net.bytebuddy.build.HashCodeAndEqualsPlugin$WithNonNullableFields
  super_class: net.bytebuddy.build.HashCodeAndEqualsPlugin
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // net.bytebuddy.build.HashCodeAndEqualsPlugin$WithNonNullableFields this
         0: .line 112
            aload 0 /* this */
            invokespecial net.bytebuddy.build.HashCodeAndEqualsPlugin.<init>:()V
            return
        end local 0 // net.bytebuddy.build.HashCodeAndEqualsPlugin$WithNonNullableFields this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lnet/bytebuddy/build/HashCodeAndEqualsPlugin$WithNonNullableFields;

  protected net.bytebuddy.matcher.ElementMatcher<net.bytebuddy.description.field.FieldDescription> nonNullable(net.bytebuddy.matcher.ElementMatcher<net.bytebuddy.description.field.FieldDescription>);
    descriptor: (Lnet/bytebuddy/matcher/ElementMatcher;)Lnet/bytebuddy/matcher/ElementMatcher;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // net.bytebuddy.build.HashCodeAndEqualsPlugin$WithNonNullableFields this
        start local 1 // net.bytebuddy.matcher.ElementMatcher matcher
         0: .line 118
            aload 1 /* matcher */
            invokestatic net.bytebuddy.matcher.ElementMatchers.not:(Lnet/bytebuddy/matcher/ElementMatcher;)Lnet/bytebuddy/matcher/ElementMatcher$Junction;
            areturn
        end local 1 // net.bytebuddy.matcher.ElementMatcher matcher
        end local 0 // net.bytebuddy.build.HashCodeAndEqualsPlugin$WithNonNullableFields this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Lnet/bytebuddy/build/HashCodeAndEqualsPlugin$WithNonNullableFields;
            0    1     1  matcher  Lnet/bytebuddy/matcher/ElementMatcher<Lnet/bytebuddy/description/field/FieldDescription;>;
    Signature: (Lnet/bytebuddy/matcher/ElementMatcher<Lnet/bytebuddy/description/field/FieldDescription;>;)Lnet/bytebuddy/matcher/ElementMatcher<Lnet/bytebuddy/description/field/FieldDescription;>;
    MethodParameters:
         Name  Flags
      matcher  
}
SourceFile: "HashCodeAndEqualsPlugin.java"
NestHost: net.bytebuddy.build.HashCodeAndEqualsPlugin
InnerClasses:
  public abstract Enhance = net.bytebuddy.build.HashCodeAndEqualsPlugin$Enhance of net.bytebuddy.build.HashCodeAndEqualsPlugin
  public WithNonNullableFields = net.bytebuddy.build.HashCodeAndEqualsPlugin$WithNonNullableFields of net.bytebuddy.build.HashCodeAndEqualsPlugin
  public abstract Junction = net.bytebuddy.matcher.ElementMatcher$Junction of net.bytebuddy.matcher.ElementMatcher
    RuntimeVisibleAnnotations: 
      net.bytebuddy.build.HashCodeAndEqualsPlugin$Enhance()