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Tweaks/FLEX/ViewHierarchy/FLEXHierarchyViewController.h

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+//
+//  FLEXHierarchyViewController.h
+//  FLEX
+//
+//  Created by Tanner Bennett on 1/9/20.
+//  Copyright © 2020 FLEX Team. All rights reserved.
+//
+
+#import "FLEXNavigationController.h"
+
+@protocol FLEXHierarchyDelegate <NSObject>
+- (void)viewHierarchyDidDismiss:(UIView *)selectedView;
+@end
+
+/// A navigation controller which manages two child view controllers:
+/// a 3D Reveal-like hierarchy explorer, and a 2D tree-list hierarchy explorer.
+@interface FLEXHierarchyViewController : FLEXNavigationController
+
++ (instancetype)delegate:(id<FLEXHierarchyDelegate>)delegate;
++ (instancetype)delegate:(id<FLEXHierarchyDelegate>)delegate
+              viewsAtTap:(NSArray<UIView *> *)viewsAtTap
+            selectedView:(UIView *)selectedView;
+
+- (void)toggleHierarchyMode;
+
+@end