text: // Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
  //
  // You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
  // copy, modify, and distribute this software in source code or binary form for use
  // in connection with the web services and APIs provided by Facebook.
  //
  // As with any software that integrates with the Facebook platform, your use of
  // this software is subject to the Facebook Developer Principles and Policies
  // [http://developers.facebook.com/policy/]. This copyright notice shall be
  // included in all copies or substantial portions of the software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  #import <Foundation/Foundation.h>
  #include <CoreGraphics/CoreGraphics.h>
  
  #ifndef HEXColor
  #define HEXColor(hexValue) [UIColor colorWithRed:((float)((hexValue & 0xFF0000) >> 16))/255.0 \
                                             green:((float)((hexValue & 0xFF00) >> 8))/255.0 blue:((float)(hexValue & 0xFF))/255.0 alpha:1.0]
  #endif
  
  extern NSString *FBSDKMessengerDefaultAppID(void);
  
  extern NSString *FBSDKMessengerDefaultAppIDURLScheme(void);
  
  extern CGRect FBSDKMessengerRectMakeWithSizeCenteredInRect(CGSize size, CGRect rect);
  
  extern CGPoint FBSDKMessengerRectGetMid(CGRect rect);
  
  extern CGRect FBSDKMessengerRectMakeWithOrigin(CGPoint origin, CGSize size);
  