@Override
  public int read(char @NotNull [] cbuf, int off, int len) {
    if (off < 0 || off > cbuf.length || len < 0 || off + len > cbuf.length || off + len < 0) {
        throw new IndexOutOfBoundsException();
    }
    if (len == 0) {
        return 0;
    }

    int charsToCopy = Math.min(len, myLength - myCurPos);
    if (charsToCopy <= 0) return -1;

    System.arraycopy(myText, myCurPos, cbuf, off, charsToCopy);

    myCurPos += charsToCopy;
    return charsToCopy;
  }
@Override
  public int read(char @NotNull [] cbuf, int off, int len)