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/*
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* Copyright 2018 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import <UIKit/UIKit.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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* To avoid the risk of hijacking the app's existing view transition flow, we render in-app message
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* views in a new top-level UIWindow instead of presenting them from app's existing UIWindow.
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* The caller is supposed to set the rootViewController to be the appropriate view controller
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* for the in-app message and call setHidden:NO to make it really visible.
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*/
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NS_EXTENSION_UNAVAILABLE("Firebase In App Messaging is not supported for iOS extensions.")
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@interface FIRIAMRenderingWindowHelper : NSObject
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/// Returns the singleton `UIWindow` object used for rendering IAM views that block
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/// user interactions with underlying content.
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+ (UIWindow *)windowForBlockingView;
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/// Returns the singleton `UIWindow` object used for rendering IAM views that don't block
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/// user interactions with underlying content.
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+ (UIWindow *)windowForNonBlockingView;
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@end
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NS_ASSUME_NONNULL_END
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