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// Copyright 2020 Google LLC
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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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#import "FirebasePerformance/Sources/Gauges/FPRGaugeManager.h"
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#import "FirebasePerformance/Sources/Gauges/CPU/FPRCPUGaugeCollector.h"
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#import "FirebasePerformance/Sources/Gauges/Memory/FPRMemoryGaugeCollector.h"
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/** This extension should only be used for testing. */
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NS_EXTENSION_UNAVAILABLE("Firebase Performance is not supported for extensions.")
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@interface FPRGaugeManager ()
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/** @brief Tracks if gauge collection is enabled. */
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@property(nonatomic, readonly) BOOL gaugeCollectionEnabled;
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/** @brief CPU gauge collector. */
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@property(nonatomic, readwrite, nullable) FPRCPUGaugeCollector *cpuGaugeCollector;
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/** @brief Memory gauge collector. */
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@property(nonatomic, readwrite, nullable) FPRMemoryGaugeCollector *memoryGaugeCollector;
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/** @brief Serial queue to manage gauge data collection. */
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@property(nonatomic, readwrite, nonnull) dispatch_queue_t gaugeDataProtectionQueue;
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/** @brief Tracks if this session is a cold start of the application. */
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@property(nonatomic) BOOL isColdStart;
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/**
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* Creates an instance of FPRGaugeManager with the gauges required.
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*/
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- (nonnull instancetype)initWithGauges:(FPRGauges)gauges;
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/**
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* Prepares for dispatching the current set of gauge data to Google Data Transport.
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*
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* @param sessionId SessionId that will be used for dispatching the gauge data
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*/
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- (void)prepareAndDispatchCollectedGaugeDataWithSessionId:(nullable NSString *)sessionId;
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@end
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