/**
 * @license
 * Copyright 2019 Google LLC
 *
 * 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 { AnalyticsCallOptions, Gtag, CustomParams, EventParams } from '@firebase/analytics-types';
/**
 * Logs an analytics event through the Firebase SDK.
 *
 * @param gtagFunction Wrapped gtag function that waits for fid to be set before sending an event
 * @param eventName Google Analytics event name, choose from standard list or use a custom string.
 * @param eventParams Analytics event parameters.
 */
export declare function logEvent(gtagFunction: Gtag, analyticsId: string, eventName: string, eventParams?: EventParams, options?: AnalyticsCallOptions): void;
/**
 * Set screen_name parameter for this Google Analytics ID.
 *
 * @param gtagFunction Wrapped gtag function that waits for fid to be set before sending an event
 * @param screenName Screen name string to set.
 */
export declare function setCurrentScreen(gtagFunction: Gtag, analyticsId: string, screenName: string | null, options?: AnalyticsCallOptions): void;
/**
 * Set user_id parameter for this Google Analytics ID.
 *
 * @param gtagFunction Wrapped gtag function that waits for fid to be set before sending an event
 * @param id User ID string to set
 */
export declare function setUserId(gtagFunction: Gtag, analyticsId: string, id: string | null, options?: AnalyticsCallOptions): void;
/**
 * Set all other user properties other than user_id and screen_name.
 *
 * @param gtagFunction Wrapped gtag function that waits for fid to be set before sending an event
 * @param properties Map of user properties to set
 */
export declare function setUserProperties(gtagFunction: Gtag, analyticsId: string, properties: CustomParams, options?: AnalyticsCallOptions): void;
/**
 * Set whether collection is enabled for this ID.
 *
 * @param enabled If true, collection is enabled for this ID.
 */
export declare function setAnalyticsCollectionEnabled(analyticsId: string, enabled: boolean): void;