code: function queryParamsHelper(params, hash) {
      _emberMetalDebug.assert('The `query-params` helper only accepts hash parameters, e.g. (query-params queryParamPropertyName=\'foo\') as opposed to just (query-params \'foo\')', params.length === 0);
  
      return _emberRoutingSystemQuery_params.default.create({
        values: hash
      });
    }
docs: This is a helper to be used in conjunction with the link-to helper.
  It will supply url query parameters to the target route.
  
  Example
  
  ```handlebars
  {{#link-to 'posts' (query-params direction="asc")}}Sort{{/link-to}}
  ```
  
  @method query-params
  @for Ember.Templates.helpers
  @param {Object} hash takes a hash of query parameters
  @return {Object} A `QueryParams` object for `{{link-to}}`
  @public