update(data, encoding) {
	    if (typeof data === "string") {
	      while (data.length > MAX_SHORT_STRING) {
	        this._updateWithShortString(data.slice(0, MAX_SHORT_STRING), encoding);
	        data = data.slice(MAX_SHORT_STRING);
	      }

	      this._updateWithShortString(data, encoding);

	      return this;
	    }

	    this._updateWithBuffer(data);

	    return this;
	  }
@param {Buffer | string} data data
@param {BufferEncoding=} encoding encoding
@returns {this} itself