config sequence

angular.module('app').config(function ($provide) {
  $provide.provider('myService', function () {
    var config;

    return {
      setConfig: function (_config) {
        config = _config;
      },
      $get: function (otherService) {
        // use config in here
      }
    }
  })
}).config(function (myServiceProvider) {
    myServiceProvider.setConfig({
      color: 'blue'
    })
  })