text: //
  //  UINavigationBar+Awesome.h
  //  LTNavigationBar
  //
  //  Created by ltebean on 15-2-15.
  //  Copyright (c) 2015 ltebean. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface UINavigationBar (Awesome)
  
  @property(nonatomic,strong) UIView  * _Nullable overlay;
  
  - (void)lt_setBackgroundColor:(UIColor *)backgroundColor;
  - (void)lt_setElementsAlpha:(CGFloat)alpha;
  - (void)lt_setTranslationY:(CGFloat)translationY;
  - (void)lt_removeBackgroundColor;
  - (void)lt_reset;
  
  - (nullable UIImageView *)getBottomImageOfNavigationBar;
  
  @end
  