/*
 * Copyright (c) 2017 - 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 <Foundation/Foundation.h>

@interface B : NSObject

@end

@interface A

+ (nullable NSData*)foo:(B*)b;

@end

@implementation B {
  B* _decodedMetadata;
}

- (B*)decodedMetadata {
  NSData* metadata = [A foo:self];
  return _decodedMetadata; // No NPE here
}
@end
