/**
 * @license
 * Copyright 2025 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 { AnyValueMap } from '@opentelemetry/api-logs';
import { Crashlytics, CrashlyticsOptions } from './public-types';
/**
 * Returns the app version from the provided Telemetry instance, if available.
 */
export declare function getAppVersion(crashlyticsOptions: CrashlyticsOptions | undefined): string;
/**
 * Returns the session ID stored in sessionStorage, if available.
 */
export declare function getSessionId(): string | undefined;
/**
 * Sets attributes that are common across all logs
 */
export declare function setCommonLogAttributes(crashlytics: Crashlytics, customAttributes: AnyValueMap): void;
/**
 * Generate a new session UUID. We record it in two places:
 * 1. The client browser's sessionStorage (if available)
 * 2. In Cloud Logging as its own log entry
 */
export declare function startNewSession(crashlytics: Crashlytics): void;
/**
 * Registers event listeners to flush logs when the page is hidden. In some cases multiple listeners
 * may trigger at the same time, but flushing only occurs once per batch.
 */
export declare function registerListeners(crashlytics: Crashlytics): void;
/**
 * Flushes all enqueued Crashlytics data immediately, instead of waiting for default batching.
 *
 * @public
 *
 * @param crashlytics - The {@link Crashlytics} instance.
 * @returns a promise which is resolved when all flushes are complete
 */
export declare function flush(crashlytics: Crashlytics): Promise<void>;