code: function _checkCharFormat(charItem) {
      var keysChecked = {
          access: false,
          multi: false,
          mand: false,
          type: false,
          range: false,
          init: false
      },
      pass = true;
  
      if (typeof charItem !== 'object')
          throw new TypeError('Resource characteristic should be an object.');
  
      for (var key in charItem) {
          if (keysChecked.hasOwnProperty(key))
              keysChecked[key] = true;
      }
  
      for (var k in keysChecked) {
          pass = pass & keysChecked[k];
      }
  
      return pass;
  }
docs: ********************************************************************************************** * Private Functions                                                                         ** **********************************************************************************************