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/*
* Copyright 2018 Google
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import <Foundation/Foundation.h>
#import "FIRComponentType.h"
NS_ASSUME_NONNULL_BEGIN
/// A type-safe macro to retrieve a component from a container. This should be used to retrieve
/// components instead of using the container directly.
#define FIR_COMPONENT(type, container) \
[FIRComponentType<id<type>> instanceForProtocol:@protocol(type) inContainer:container]
@class FIRApp;
/// A container that holds different components that are registered via the
/// `registerAsComponentRegistrant:` call. These classes should conform to `FIRComponentRegistrant`
/// in order to properly register components for Core.
NS_SWIFT_NAME(FirebaseComponentContainer)
@interface FIRComponentContainer : NSObject
/// A weak reference to the app that an instance of the container belongs to.
@property(nonatomic, weak, readonly) FIRApp *app;
/// Unavailable. Use the `container` property on `FIRApp`.
- (instancetype)init NS_UNAVAILABLE;
/// Register a class to provide components for the interoperability system. The class should conform
/// to `FIRComponentRegistrant` and provide an array of `FIRComponent` objects.
+ (void)registerAsComponentRegistrant:(Class)klass;
@end
NS_ASSUME_NONNULL_END
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