// 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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#import "FBSDKGraphRequestHTTPMethod.h"
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NS_ASSUME_NONNULL_BEGIN
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@protocol FBSDKGraphRequestConnecting;
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@class FBSDKGraphRequestConnection;
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typedef void (^FBSDKGraphRequestBlock)(FBSDKGraphRequestConnection *_Nullable connection,
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id _Nullable result,
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NSError *_Nullable error);
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/// A protocol to describe anything that represents a graph request
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NS_SWIFT_NAME(GraphRequestProtocol)
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@protocol FBSDKGraphRequest
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/**
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The request parameters.
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*/
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@property (nonatomic, copy) NSDictionary<NSString *, id> *parameters;
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/**
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The access token string used by the request.
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*/
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@property (nonatomic, copy, readonly, nullable) NSString *tokenString;
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/**
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The Graph API endpoint to use for the request, for example "me".
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*/
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@property (nonatomic, copy, readonly) NSString *graphPath;
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/**
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The HTTPMethod to use for the request, for example "GET" or "POST".
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*/
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@property (nonatomic, copy, readonly) FBSDKHTTPMethod HTTPMethod;
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/**
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The Graph API version to use (e.g., "v2.0")
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*/
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@property (nonatomic, copy, readonly) NSString *version;
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/**
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Starts a connection to the Graph API.
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@param handler The handler block to call when the request completes.
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*/
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- (id<FBSDKGraphRequestConnecting>)startWithCompletionHandler:(nullable FBSDKGraphRequestBlock)handler;
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/**
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A formatted description of the graph request
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*/
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- (NSString *)formattedDescription;
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@end
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NS_ASSUME_NONNULL_END
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