declare abstract class LedgerAppBase {
    abstract getAddress(path: string, boolDisplay?: boolean): Promise<{
        address: string;
    }>;
    /**
     * @param path
     * @param messageHex
     * @returns {Promise<{ v: string; r: string; s: string }> | Promise<string>}
     */
    abstract signPersonalMessage(path: string, messageHex: string): Promise<any>;
}