text: //
  //  NavigationManager.h
  //  Twitter
  //
  //  Created by  Steve Carlson (Media Engineering) on 2/1/17.
  //  Copyright © 2017 Steve Carlson. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  #import <UIKit/UIKit.h>
  #import "Tweet.h"
  
  @interface NavigationManager : NSObject
  
  + (instancetype)sharedInstance;
  
  - (UIViewController *)rootViewController;
  - (void)showCompose;
  - (void)dismissCompose;
  - (void)showTweet:(Tweet *)tweet reply:(bool)reply;
  - (void)showUser:(User *)user;
  - (void)logIn;
  - (void)logOut;
  
  @end
  