function inverseMoveToFrontTransform(v, vLen) {
    let /** @type{!Int32Array} */ mtf = new Int32Array(256);
    for (let /** @type{number} */ i = 0; i < 256; i++) {
      mtf[i] = i;
    }
    for (let /** @type{number} */ i = 0; i < vLen; i++) {
      let /** @type{number} */ index = v[i] & 0xFF;
      v[i] = mtf[index];
      if (index != 0) {
        moveToFront(mtf, index);
      }
    }
  }
@param {!Int8Array} v
@param {number} vLen
@return {void}