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Pods/FirebaseFirestoreInternal/Firestore/Source/API/FSTFirestoreComponent.h

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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 "Firestore/Source/API/FIRFirestore+Internal.h"
+
+@class FIRApp;
+@class FIRFirestore;
+
+NS_ASSUME_NONNULL_BEGIN
+
+/// Provides and creates instances of Firestore based on a specific key. Used in the interop
+/// registration process to keep track of instances for `FIRApp` instances.
+@protocol FSTFirestoreMultiDBProvider
+
+/// Cached instances of Firestore objects.
+@property(nonatomic, strong) NSMutableDictionary<NSString *, FIRFirestore *> *instances;
+
+/// Default method for retrieving a Firestore instance, or creating one if it doesn't exist.
+- (FIRFirestore *)firestoreForDatabase:(NSString *)database;
+
+@end
+
+/// A concrete implementation for FSTInstanceProvider to create Firestore instances and register
+/// with Core's component system.
+@interface FSTFirestoreComponent
+    : NSObject <FSTFirestoreInstanceRegistry, FSTFirestoreMultiDBProvider>
+
+/// The FIRApp that instances will be set up with.
+@property(nonatomic, weak, readonly) FIRApp *app;
+
+/// Cached instances of Firestore objects.
+@property(nonatomic, strong) NSMutableDictionary<NSString *, FIRFirestore *> *instances;
+
+/// Default method for retrieving a Firestore instance, or creating one if it doesn't exist.
+- (FIRFirestore *)firestoreForDatabase:(NSString *)database;
+
+- (void)removeInstanceWithDatabase:(NSString *)database;
+
+/// Default initializer.
+- (instancetype)initWithApp:(FIRApp *)app NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)init NS_UNAVAILABLE;
+
+@end
+
+NS_ASSUME_NONNULL_END