export interface FCMPlugin {
    /**
     * Subscribe to fcm topic
     * @param options
     */
    subscribeTo(options: {
        topic: string;
    }): Promise<{
        message: string;
    }>;
    /**
     * Unsubscribe from fcm topic
     * @param options
     */
    unsubscribeFrom(options: {
        topic: string;
    }): Promise<{
        message: string;
    }>;
    /**
     * Get fcm token to eventually use from a serve
     *
     * Recommended to use this instead of
     * @usage
     * ```typescript
     * PushNotifications.addListener("registration", (token) => {
     *   console.log(token.data);
     * });
     * ```
     * because the native capacitor method, for apple, returns the APN's token
     */
    getToken(): Promise<{
        token: string;
    }>;
    /**
     * Refresh fcm token to eventually use from a serve
     *
     * Recommended to use this instead of
     * @usage
     * ```typescript
     * PushNotifications.addListener("registration", (token) => {
     *   console.log(token.data);
     * });
     * ```
     * because the native capacitor method, for apple, returns the APN's token
     */
    refreshToken(): Promise<{
        token: string;
    }>;
    /**
     * Remove local fcm instance completely
     */
    deleteInstance(): Promise<boolean>;
    /**
     * Enabled/disabled auto initialization.
     * @param options
     */
    setAutoInit(options: {
        enabled: boolean;
    }): Promise<void>;
    /**
     * Retrieve the auto initialization status.
     */
    isAutoInitEnabled(): Promise<{
        enabled: boolean;
    }>;
}