docs: function observable() {
  	    var _ref;
  	
  	    var outerSubscribe = subscribe;
  	    return _ref = {
  	      /**
  	       * The minimal observable subscription method.
  	       * @param {Object} observer Any object that can be used as an observer.
  	       * The observer object should have a `next` method.
  	       * @returns {subscription} An object with an `unsubscribe` method that can
  	       * be used to unsubscribe the observable from the store, and prevent further
  	       * emission of values from the observable.
  	       */
  	      subscribe: function subscribe(observer) {
  	        if (typeof observer !== 'object') {
  	          throw new TypeError('Expected the observer to be an object.');
  	        }
  	
  	        function observeState() {
  	          if (observer.next) {
  	            observer.next(getState());
  	          }
  	        }
  	
  	        observeState();
  	        var unsubscribe = outerSubscribe(observeState);
  	        return { unsubscribe: unsubscribe };
  	      }
  	    }, _ref[_symbolObservable2['default']] = function () {
  	      return this;
  	    }, _ref;
  	  }