/** Carrier-level AMD verdict reported by Twilio via `AnsweredBy`. */
export declare const TwilioAnsweredBy: {
    readonly Human: "human";
    readonly Fax: "fax";
    readonly Unknown: "unknown";
    readonly MachineStart: "machine_start";
    readonly MachineEndBeep: "machine_end_beep";
    readonly MachineEndSilence: "machine_end_silence";
    readonly MachineEndOther: "machine_end_other";
};
export type TwilioAnsweredBy = (typeof TwilioAnsweredBy)[keyof typeof TwilioAnsweredBy];