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. 
/*
 * Copyright 2014 - 2019 Rafael Winterhalter
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

Auxiliary types describe helper types that aid as a supplementary to a given InstrumentedType. A typical use case for auxiliary types is granting access to super invocations of method calls. 
/**
 * Auxiliary types describe helper types that aid as a supplementary to a given
 * {@link net.bytebuddy.dynamic.scaffold.InstrumentedType}. A typical use case for auxiliary types is granting
 * access to {@code super} invocations of method calls.
 */
package net.bytebuddy.implementation.auxiliary;