code: public Body from(ThrowableWrapper throwableWrapper, String description) {
      Body.Builder builder = new Body.Builder();
      if (throwableWrapper == null) {
        return builder.bodyContent(message(description)).build();
      }
      if (throwableWrapper.getCause() == null) {
        return builder.bodyContent(trace(throwableWrapper, description)).build();
      }
      return builder.bodyContent(traceChain(throwableWrapper, description)).build();
    }
docs: Builds the body from the {@link ThrowableWrapper throwableWrapper} and the description
  supplied.
  
  @param throwableWrapper the throwable proxy.
  @param description the description.
  @return the body.