/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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* All rights reserved.
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*
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* This source code is licensed under the license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <Foundation/Foundation.h>
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#import <FBSDKCoreKit/FBSDKGraphRequestConnecting.h>
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#import <FBSDKCoreKit/FBSDKGraphRequestConnectionDelegate.h>
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@protocol FBSDKURLSessionProxyProviding;
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@protocol FBSDKErrorConfigurationProviding;
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@protocol FBSDKGraphRequestPiggybackManaging;
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@protocol FBSDKSettings;
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@protocol FBSDKGraphRequestConnectionFactory;
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@protocol FBSDKEventLogging;
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@protocol FBSDKOperatingSystemVersionComparing;
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@protocol FBSDKMacCatalystDetermining;
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@protocol FBSDKAccessTokenProviding;
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@protocol FBSDKErrorCreating;
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@protocol FBSDKAuthenticationTokenProviding;
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NS_ASSUME_NONNULL_BEGIN
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/**
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The key in the result dictionary for requests to old versions of the Graph API
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whose response is not a JSON object.
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When a request returns a non-JSON response (such as a "true" literal), that response
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will be wrapped into a dictionary using this const as the key. This only applies for very few Graph API
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prior to v2.1.
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*/
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FOUNDATION_EXPORT NSString *const FBSDKNonJSONResponseProperty
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NS_SWIFT_NAME(NonJSONResponseProperty);
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@protocol FBSDKGraphRequest;
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/**
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The `FBSDKGraphRequestConnection` represents a single connection to Facebook to service a request.
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The request settings are encapsulated in a reusable <FBSDKGraphRequest> object. The
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`FBSDKGraphRequestConnection` object encapsulates the concerns of a single communication
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e.g. starting a connection, canceling a connection, or batching requests.
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*/
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NS_SWIFT_NAME(GraphRequestConnection)
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@interface FBSDKGraphRequestConnection : NSObject <FBSDKGraphRequestConnecting>
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/// The default timeout on all FBSDKGraphRequestConnection instances. Defaults to 60 seconds.
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@property (class, nonatomic, assign) NSTimeInterval defaultConnectionTimeout;
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/// The delegate object that receives updates.
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@property (nullable, nonatomic, weak) id<FBSDKGraphRequestConnectionDelegate> delegate;
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/// Gets or sets the timeout interval to wait for a response before giving up.
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@property (nonatomic, assign) NSTimeInterval timeout;
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/**
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The raw response that was returned from the server. (readonly)
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This property can be used to inspect HTTP headers that were returned from
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the server.
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The property is nil until the request completes. If there was a response
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then this property will be non-nil during the FBSDKGraphRequestBlock callback.
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*/
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@property (nullable, nonatomic, readonly, retain) NSHTTPURLResponse *urlResponse;
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/**
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Determines the operation queue that is used to call methods on the connection's delegate.
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By default, a connection is scheduled on the current thread in the default mode when it is created.
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You cannot reschedule a connection after it has started.
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*/
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@property (nullable, nonatomic) NSOperationQueue *delegateQueue;
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/// @methodgroup Class methods
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/// @methodgroup Adding requests
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/**
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@method
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This method adds an <FBSDKGraphRequest> object to this connection.
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@param request A request to be included in the round-trip when start is called.
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@param completion A handler to call back when the round-trip completes or times out.
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The completion handler is retained until the block is called upon the
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completion or cancellation of the connection.
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*/
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- (void)addRequest:(id<FBSDKGraphRequest>)request
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completion:(FBSDKGraphRequestCompletion)completion;
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/**
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@method
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This method adds an <FBSDKGraphRequest> object to this connection.
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@param request A request to be included in the round-trip when start is called.
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@param completion A handler to call back when the round-trip completes or times out.
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The handler will be invoked on the main thread.
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@param name A name for this request. This can be used to feed
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the results of one request to the input of another <FBSDKGraphRequest> in the same
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`FBSDKGraphRequestConnection` as described in
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[Graph API Batch Requests]( https://developers.facebook.com/docs/reference/api/batch/ ).
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The completion handler is retained until the block is called upon the
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completion or cancellation of the connection. This request can be named
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to allow for using the request's response in a subsequent request.
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*/
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- (void)addRequest:(id<FBSDKGraphRequest>)request
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name:(NSString *)name
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completion:(FBSDKGraphRequestCompletion)completion;
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/**
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@method
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This method adds an <FBSDKGraphRequest> object to this connection.
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@param request A request to be included in the round-trip when start is called.
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@param completion A handler to call back when the round-trip completes or times out.
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@param parameters The dictionary of parameters to include for this request
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as described in [Graph API Batch Requests]( https://developers.facebook.com/docs/reference/api/batch/ ).
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Examples include "depends_on", "name", or "omit_response_on_success".
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The completion handler is retained until the block is called upon the
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completion or cancellation of the connection. This request can be named
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to allow for using the request's response in a subsequent request.
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*/
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- (void)addRequest:(id<FBSDKGraphRequest>)request
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parameters:(nullable NSDictionary<NSString *, id> *)parameters
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completion:(FBSDKGraphRequestCompletion)completion;
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/// @methodgroup Instance methods
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/**
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@method
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Signals that a connection should be logically terminated as the
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application is no longer interested in a response.
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Synchronously calls any handlers indicating the request was cancelled. Cancel
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does not guarantee that the request-related processing will cease. It
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does promise that all handlers will complete before the cancel returns. A call to
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cancel prior to a start implies a cancellation of all requests associated
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with the connection.
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*/
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- (void)cancel;
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/**
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@method
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This method starts a connection with the server and is capable of handling all of the
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requests that were added to the connection.
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By default, a connection is scheduled on the current thread in the default mode when it is created.
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See `setDelegateQueue:` for other options.
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This method cannot be called twice for an `FBSDKGraphRequestConnection` instance.
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*/
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- (void)start;
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/**
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@method
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Overrides the default version for a batch request
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The SDK automatically prepends a version part, such as "v2.0" to API paths in order to simplify API versioning
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for applications. If you want to override the version part while using batch requests on the connection, call
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this method to set the version for the batch request.
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@param version This is a string in the form @"v2.0" which will be used for the version part of an API path
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*/
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- (void)overrideGraphAPIVersion:(NSString *)version;
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/**
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Internal method exposed to facilitate transition to Swift.
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API Subject to change or removal without warning. Do not use.
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@warning INTERNAL - DO NOT USE
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*/
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+ (void)setCanMakeRequests;
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/**
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Internal method exposed to facilitate transition to Swift.
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API Subject to change or removal without warning. Do not use.
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@warning INTERNAL - DO NOT USE
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*/
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+ (void)configureWithURLSessionProxyFactory:(nonnull id<FBSDKURLSessionProxyProviding>)proxyFactory
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errorConfigurationProvider:(nonnull id<FBSDKErrorConfigurationProviding>)errorConfigurationProvider
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piggybackManager:(nonnull id<FBSDKGraphRequestPiggybackManaging>)piggybackManager
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settings:(nonnull id<FBSDKSettings>)settings
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graphRequestConnectionFactory:(nonnull id<FBSDKGraphRequestConnectionFactory>)factory
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eventLogger:(nonnull id<FBSDKEventLogging>)eventLogger
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operatingSystemVersionComparer:(nonnull id<FBSDKOperatingSystemVersionComparing>)operatingSystemVersionComparer
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macCatalystDeterminator:(nonnull id<FBSDKMacCatalystDetermining>)macCatalystDeterminator
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accessTokenProvider:(nonnull Class<FBSDKAccessTokenProviding>)accessTokenProvider
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errorFactory:(nonnull id<FBSDKErrorCreating>)errorFactory
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authenticationTokenProvider:(nonnull Class<FBSDKAuthenticationTokenProviding>)authenticationTokenProvider
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NS_SWIFT_NAME(configure(urlSessionProxyFactory:errorConfigurationProvider:piggybackManager:settings:graphRequestConnectionFactory:eventLogger:operatingSystemVersionComparer:macCatalystDeterminator:accessTokenProvider:errorFactory:authenticationTokenProvider:));
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@end
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NS_ASSUME_NONNULL_END
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