/** An error returned by a Firestore operation. */
export declare class FirestoreError extends Error {
    /**
     * The backend error code associated with this error.
     */
    readonly code: FirestoreErrorCode;
    /**
     * A custom error description.
     */
    readonly message: string;
    /** The custom name for all FirestoreErrors. */
    readonly name: string;
    /** The stack of the error. */
    readonly stack?: string;
    private constructor();
}

/**
 * Interface for an `Auth` error.
 *
 * @public
 */
export declare interface AuthError extends FirebaseError {
    /** Details about the Firebase Auth error.  */
    readonly customData: {
        /** The name of the Firebase App which triggered this error.  */
        readonly appName: string;
        /** The email address of the user's account, used for sign-in and linking. */
        readonly email?: string;
        /** The phone number of the user's account, used for sign-in and linking. */
        readonly phoneNumber?: string;
        /**
         * The tenant ID being used for sign-in and linking.
         *
         * @remarks
         * If you use {@link signInWithRedirect} to sign in,
         * you have to set the tenant ID on the {@link Auth} instance again as the tenant ID is not persisted
         * after redirection.
         */
        readonly tenantId?: string;
    };
}

/**
 * An error returned by the Firebase Storage SDK.
 * @public
 */
export declare interface StorageError {
    /**
     * A server response message for the error, if applicable.
     */
    serverResponse: string | null;
    code: string;
    customData?: Record<string, unknown>;
    name: 'FirebaseError';
    message: string;
    stack?: string;
}

export declare class FirebaseError extends Error {
    readonly code: string;
    customData?: Record<string, unknown> | undefined;
    readonly name = "FirebaseError";
    constructor(code: string, message: string, customData?: Record<string, unknown> | undefined);
}