// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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//
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// You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
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// copy, modify, and distribute this software in source code or binary form for use
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// in connection with the web services and APIs provided by Facebook.
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//
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// As with any software that integrates with the Facebook platform, your use of
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// this software is subject to the Facebook Developer Principles and Policies
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// [http://developers.facebook.com/policy/]. This copyright notice shall be
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// included in all copies or substantial portions of the software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#import <Foundation/Foundation.h>
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@class BFTask;
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// Check if Bolts.framework is available for import
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#if __has_include(<Bolts/BFAppLinkResolving.h>)
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// Import it if it's available
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# import <Bolts/BFAppLinkResolving.h>
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#else
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// Otherwise - redeclare BFAppLinkResolving protocol to resolve the problem of missing symbols
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// Please note: Bolts.framework is still required for AppLink resolving to work,
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// but this allows FBSDKCoreKit to weakly link Bolts.framework as well as this enables clang modulemaps to work.
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/**
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Implement this protocol to provide an alternate strategy for resolving
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App Links that may include pre-fetching, caching, or querying for App Link
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data from an index provided by a service provider.
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*/
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@protocol BFAppLinkResolving <NSObject>
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/**
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Asynchronously resolves App Link data for a given URL.
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- Parameter url: The URL to resolve into an App Link.
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- Returns: A BFTask that will return a BFAppLink for the given URL.
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*/
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- (BFTask *)appLinkFromURLInBackground:(NSURL *)url;
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@end
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#endif
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/**
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Provides an implementation of the BFAppLinkResolving protocol that uses the Facebook App Link
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Index API to resolve App Links given a URL. It also provides an additional helper method that can resolve
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multiple App Links in a single call.
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Usage of this type requires a client token. See `[FBSDKSettings setClientToken:]` and linking
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Bolts.framework
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*/
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@interface FBSDKAppLinkResolver : NSObject<BFAppLinkResolving>
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/**
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Asynchronously resolves App Link data for multiple URLs.
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- Parameter urls: An array of NSURLs to resolve into App Links.
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- Returns: A BFTask that will return dictionary mapping input NSURLs to their
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corresponding BFAppLink.
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You should set the client token before making this call. See `[FBSDKSettings setClientToken:]`
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*/
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- (BFTask *)appLinksFromURLsInBackground:(NSArray *)urls;
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/**
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Allocates and initializes a new instance of FBSDKAppLinkResolver.
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*/
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+ (instancetype)resolver;
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@end
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