docs: function(dict, progressive, options) {
  
                  /**
                   * Dictionary array.
                   * @type {Array.<string>}
                   */
                  this.dict = (dict && Array.isArray(dict)) ? dict : [];
  
                  /**
                   * Whether this is a progressive or a static decoder.
                   * @type {boolean}
                   */
                  this.progressive = !!progressive;
  
                  /**
                   * Options.
                   * @type {Object.<string,*>}
                   */
                  this.options = options || {};
              }