text: /**
   * Copyright (c) 2015-present, Facebook, Inc.
   * All rights reserved.
   *
   * This source code is licensed under the BSD-style license found in the
   * LICENSE file in the root directory of this source tree. An additional grant
   * of patent rights can be found in the PATENTS file in the same directory.
   */
  
  #import <UIKit/UIKit.h>
  
  @interface ABI9_0_0RCTKeyCommands : NSObject
  
  + (instancetype)sharedInstance;
  
  /**
   * Register a single-press keyboard command.
   */
  - (void)registerKeyCommandWithInput:(NSString *)input
                        modifierFlags:(UIKeyModifierFlags)flags
                               action:(void (^)(UIKeyCommand *command))block;
  
  /**
   * Unregister a single-press keyboard command.
   */
  - (void)unregisterKeyCommandWithInput:(NSString *)input
                          modifierFlags:(UIKeyModifierFlags)flags;
  
  /**
   * Check if a single-press command is registered.
   */
  - (BOOL)isKeyCommandRegisteredForInput:(NSString *)input
                           modifierFlags:(UIKeyModifierFlags)flags;
  
  /**
   * Register a double-press keyboard command.
   */
  - (void)registerDoublePressKeyCommandWithInput:(NSString *)input
                        modifierFlags:(UIKeyModifierFlags)flags
                               action:(void (^)(UIKeyCommand *command))block;
  
  /**
   * Unregister a double-press keyboard command.
   */
  - (void)unregisterDoublePressKeyCommandWithInput:(NSString *)input
                          modifierFlags:(UIKeyModifierFlags)flags;
  
  /**
   * Check if a double-press command is registered.
   */
  - (BOOL)isDoublePressKeyCommandRegisteredForInput:(NSString *)input
                           modifierFlags:(UIKeyModifierFlags)flags;
  
  @end
  