define([

], function () {
  function Query (decorated, $element, options) {
    if (options.get('debug') && window.console && console.warn) {
      console.warn(
        'Select2: The `query` option has been deprecated in favor of a ' +
        'custom data adapter that overrides the `query` method. Support ' +
        'will be removed for the `query` option in future versions of ' +
        'Select2.'
      );
    }

    decorated.call(this, $element, options);
  }

  Query.prototype.query = function (_, params, callback) {
    params.callback = callback;

    var query = this.options.get('query');

    query.call(null, params);
  };

  return Query;
});