import { FirebaseApp } from '@firebase/app';

/**
 * An instance of the Firebase Crashlytics SDK.
 *
 * Do not create this instance directly. Instead, use {@link getCrashlytics | getCrashlytics()}.
 *
 * @public
 */
export declare interface Crashlytics {
    /**
     * The {@link @firebase/app#FirebaseApp} this {@link Crashlytics} instance is associated with.
     */
    app: FirebaseApp;
}

/**
 * Options for initializing the Crashlytics service using {@link getCrashlytics | getCrashlytics()}.
 *
 * @public
 */
export declare interface CrashlyticsOptions {
    /**
     * The URL for the endpoint to which Crashlytics data should be sent, in the OpenTelemetry format.
     * By default, data will be sent to Firebase.
     */
    endpointUrl?: string;
    /**
     * The Google Cloud region where the Crashlytics data should be sent.
     *
     * By default, data will be sent to the "global" region.
     *
     * Refer to https://cloud.google.com/logging/docs/regions for the list of available regions.
     */
    region?: string;
    /**
     * The version of the application. This should be a unique string that identifies the snapshot of
     * code to be deployed, such as "1.0.2". If not specified, other default locations will be checked
     * for an identifier. Setting a value here takes precedence over any other values.
     */
    appVersion?: string;
}

/**
 * Registers event listeners for uncaught errors.
 *
 * This should be installed near the root of your application. Caught errors, including those
 * implicitly caught by Error Boundaries, will not be captured by this component.
 *
 * @example
 * ```tsx
 * import { useEffect, useState } from "react";
 * import { FirebaseCrashlytics } from "@firebase/crashlytics/react";
 * import { FirebaseApp, initializeApp } from "@firebase/app";
 *
 * export default function MyApp() {
 *   const [app, setApp] = useState<FirebaseApp | null>(null);
 *
 *   useEffect(() => {
 *     if (getApps().length === 0) {
 *       const newApp = initializeApp({...});
 *       setApp(newApp);
 *     } else {
 *       setApp(getApp());
 *     }
 *   }, []);
 *
 *   return (
 *     <>
 *       {app && (
 *         <FirebaseCrashlytics
 *           firebaseApp={app}
 *           crashlyticsOptions={{...}}
 *         />
 *       )}
 *       ...
 *     </>
 *   );
 * }
 * ```
 *
 * @param firebaseApp - The {@link @firebase/app#FirebaseApp} instance to use.
 * @param crashlyticsOptions - {@link CrashlyticsOptions} that configure the Crashlytics instance.
 * @returns The default {@link Crashlytics} instance for the given {@link @firebase/app#FirebaseApp}.
 *
 * @public
 */
export declare function FirebaseCrashlytics({ firebaseApp, crashlyticsOptions }: {
    firebaseApp: FirebaseApp;
    crashlyticsOptions?: CrashlyticsOptions;
}): null;

export { }