export declare const stopHCE: () => Promise<{ errMsg: string; }>; export declare const startHCE: () => Promise<{ errMsg: string; }>; export declare const sendHCEMessage: () => Promise<{ errMsg: string; }>; export declare const onHCEMessage: () => Promise<{ errMsg: string; }>; export declare const offHCEMessage: () => Promise<{ errMsg: string; }>; export declare const getNFCAdapter: () => Promise<{ errMsg: string; }>; export declare const getHCEState: () => Promise<{ errMsg: string; }>;