docs: private void cleanStackTrace() {
      StackTraceElement[] realTrace = getStackTrace();
      StackTraceElement[] trace = new StackTraceElement[realTrace.length - 1];
      StackTraceElement top = realTrace[0];
      trace[0] = new StackTraceElement(top.getClassName(),
          getMethodName(realTrace[2].getMethodName()),
          top.getFileName(), top.getLineNumber());
      System.arraycopy(realTrace, 2, trace, 1, realTrace.length - 2);
      setStackTrace(trace);
    }