text: /**
   * This enumerated type is used to determine how the vertices of the terrain mesh are compressed.
   *
   * @enum {Number}
   *
   * @private
   */
  var TerrainQuantization = {
    /**
     * The vertices are not compressed.
     *
     * @type {Number}
     * @constant
     */
    NONE: 0,
  
    /**
     * The vertices are compressed to 12 bits.
     *
     * @type {Number}
     * @constant
     */
    BITS12: 1,
  };
  export default Object.freeze(TerrainQuantization);
  