export declare const getMandrillApiKey: () => string;
export declare const setMandrillApiKey: (key: string) => string;
export declare const getTwilioAccountSid: () => string;
export declare const setTwilioAccountSid: (key: string) => string;
export declare const getTwilioAuthToken: () => string;
export declare const setTwilioAuthToken: (key: string) => string;