import VoiceStep, { VoiceEvent } from './voice';
declare const enum GATEWAY_SETTINGS_MODE {
    DEFAULT = "default",
    CUSTOM = "custom",
    INHERIT = "inherit",
    PROFILE = "profile"
}
declare const enum SIP_PROFILE {
    DEFAULT = "default",
    INTERNAL = "internal",
    EXTERNAL = "external"
}
interface INPUT {
    destination: string;
    phoneNumber: string;
    sessionTimeout: number;
    sipHeaders: Array<{
        name: string;
        value: string;
    }>;
    refer: boolean;
    withReplaces: boolean;
    replacesConversation?: string;
    replacesConversationThread?: string;
    from?: string;
    gatewaySettingsMode?: GATEWAY_SETTINGS_MODE;
    sipHost?: string;
    sipUser?: string;
    sipPassword?: string;
    sipProfile?: SIP_PROFILE;
    muteRecording?: boolean;
    disableRingback?: boolean;
}
interface EVENT extends VoiceEvent {
    originateDisposition?: string;
}
export default class Transfer extends VoiceStep<INPUT, {}, EVENT> {
    runStep(): Promise<void>;
}
export {};