@Param EqualsImplementation equalsImpl;

  private enum WhereToDiffer {
    ONE_PERCENT_IN,
    LAST_BYTE,
    NOT_AT_ALL;
  }

  private enum EqualsImplementation {
    ANDING_BOOLEANS {
      @Override
      boolean doEquals(byte[] a, byte[] b) {
        if (a.length != b.length) {
          return false;
        }
        boolean areEqual = true;

  @Param EqualsImplementation equalsImpl;

  private enum WhereToDiffer {
    ONE_PERCENT_IN,
    LAST_BYTE,
    NOT_AT_ALL;
  }

  private enum EqualsImplementation {
    ANDING_BOOLEANS {
      @Override
      boolean doEquals(byte[] a, byte[] b) {
        if (a.length != b.length) {
          return false;
        }
        boolean areEqual = true;

   * lifted. Such writes occur on an application-provided thread and may occur concurrently with
   * reads of the [ResponseBody]. For duplex request bodies, [writeTo] should return
   * quickly, possibly by handing off the provided request body to another thread to perform
   * writing.
   *
   * [grpc]: https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md
   */
  open fun isDuplex(): Boolean = commonIsDuplex()

  /**