--- /dev/null
+/*
+ * Copyright 2017 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 "FIRAnalyticsConfiguration.h"
+
+/// Values stored in analyticsEnabledState. Never alter these constants since they must match with
+/// values persisted to disk.
+typedef NS_ENUM(int64_t, FIRAnalyticsEnabledState) {
+ // 0 is the default value for keys not found stored in persisted config, so it cannot represent
+ // kFIRAnalyticsEnabledStateSetNo. It must represent kFIRAnalyticsEnabledStateNotSet.
+ kFIRAnalyticsEnabledStateNotSet = 0,
+ kFIRAnalyticsEnabledStateSetYes = 1,
+ kFIRAnalyticsEnabledStateSetNo = 2,
+};
+
+/// The user defaults key for the persisted measurementEnabledState value. FIRAPersistedConfig reads
+/// measurementEnabledState using this same key.
+static NSString *const kFIRAPersistedConfigMeasurementEnabledStateKey =
+ @"/google/measurement/measurement_enabled_state";
+
+static NSString *const kFIRAnalyticsConfigurationSetEnabledNotification =
+ @"FIRAnalyticsConfigurationSetEnabledNotification";
+static NSString *const kFIRAnalyticsConfigurationSetMinimumSessionIntervalNotification =
+ @"FIRAnalyticsConfigurationSetMinimumSessionIntervalNotification";
+static NSString *const kFIRAnalyticsConfigurationSetSessionTimeoutIntervalNotification =
+ @"FIRAnalyticsConfigurationSetSessionTimeoutIntervalNotification";
+
+@interface FIRAnalyticsConfiguration (Internal)
+
+/// Sets whether analytics collection is enabled for this app on this device, and a flag to persist
+/// the value or not. The setting should not be persisted if being set by the global data collection
+/// flag.
+- (void)setAnalyticsCollectionEnabled:(BOOL)analyticsCollectionEnabled
+ persistSetting:(BOOL)shouldPersist;
+
+@end