text: let utils = {
      copyArrayElements: function (src, srcPos, dest, destPos, length) {
          for (var i = 0; i < length; ++i) {
              dest[destPos + i] = src[srcPos + i];
          }
      },
  
      copyArray: function (src) {
          return src.slice(0);
      },
  
      fromJSON: function (obj, state) {
          for (var i = 0; i < obj.JSON_PROPERTIES.length; i++) {
              obj[obj.JSON_PROPERTIES[i]] = state[obj.JSON_PROPERTIES[i]];
          }
      },
  
      toJSON: function (obj) {
          var state = {};
          for (var i = 0; i < obj.JSON_PROPERTIES.length; i++) {
              state[obj.JSON_PROPERTIES[i]] = obj[obj.JSON_PROPERTIES[i]];
          }
          return state;
      },
  };
  
  export { utils };
  