/**
 * @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.
 */
/** Type constant for Firebase Crashlytics. */
export declare const CRASHLYTICS_TYPE = "crashlytics";
/** The default endpoint for the Firebase Telemetry API. */
export declare const DEFAULT_TELEMETRY_ENDPOINT = "https://firebasetelemetry.googleapis.com";
/** Default region for telemetry data. */
export declare const DEFAULT_TELEMETRY_REGION = "global";
/** Key for storing the session ID in sessionStorage. */
export declare const CRASHLYTICS_SESSION_ID_KEY = "firebasecrashlytics.sessionid";
/** Symbol for the internal flag indicating an error has already been logged. */
export declare const ALREADY_LOGGED_FLAG: unique symbol;
/** Label keys that we write in all telemetry signal entries. */
export declare const CRASHLYTICS_ATTRIBUTE_KEYS: {
    APP_VERSION: string;
    SESSION_ID: string;
    INSTALLATION_ID: string;
};
/**
 * Label keys that we write in log entries stemming from web framework wrappers.
 */
export declare const FRAMEWORK_ATTRIBUTE_KEYS: {
    ROUTE_PATH: string;
};
/**
 * The keys for Next.js request attributes that we write in telemetry log entries.
 */
export declare const NEXTJS_REQUEST_ATTRIBUTE_KEYS: {
    PATH: string;
    METHOD: string;
    ROUTER_KIND: string;
    ROUTE_TYPE: string;
};