@Override
  public int read(@NotNull byte[] b, int off, int len) {
    if (off < 0 || len < 0 || len > b.length - off) {
      throw new IndexOutOfBoundsException();
    }
    if (myPosition >= myCount) {
      return -1;
    }
    if (myPosition + len > myCount) {
      len = myCount - myPosition;
    }
    if (len <= 0) {
      return 0;
    }
    System.arraycopy(myBuffer, myPosition, b, off, len);
    myPosition += len;
    return len;
  }
@Override
  public int read(@NotNull byte[] b, int off, int len)