code: function() {
  
  		if (_config) {
  			if (_config.xhr) {
  				if (!(typeof _config.xhr === 'function' || typeof _config.xhr === 'object')) {
  					throw ('ContainerConfig.xhr should be a function or an object');
  				}
  				if (_config.xhr.dataType && typeof _config.xhr.dataType !== 'function') {
  					throw ('ContainerConfig.xhr.dataType should be a function');
  				}
  				if (_config.xhr.type && typeof _config.xhr.type !== 'function') {
  					throw ('ContainerConfig.xhr.type should be a function');
  				}
  				if (_config.xhr.url && typeof _config.xhr.url !== 'function') {
  					throw ('ContainerConfig.xhr.url should be a function');
  				}
  			}
  		}
  
  		return true;
  	}
docs: Checks if the ContainerConfig is valid
  @method _validateContainerConfig
  @private
  @returns {bool} True if the config is valid