import type { SessionAuthContext } from "#channel/types.js";
import type { TwilioTextMessage, TwilioVoiceCall, TwilioVoiceTranscription } from "#public/channels/twilio/inbound.js";
import type { TwilioChannelEvents, TwilioContext, TwilioInboundResult, TwilioVoiceResult } from "#public/channels/twilio/twilioChannel.js";
/** Default phone-number auth projection for Twilio webhook actors. */
export declare function defaultTwilioAuth(input: {
    readonly from: string;
    readonly to?: string;
    readonly channel: "text" | "voice";
}): SessionAuthContext;
/** Default inbound text hook: dispatch with Twilio phone-number auth. */
export declare function defaultOnText(_ctx: TwilioContext, message: TwilioTextMessage): TwilioInboundResult;
/** Default inbound voice hook: accept the call with configured voice defaults. */
export declare function defaultOnVoice(_ctx: TwilioContext, _call: TwilioVoiceCall): TwilioVoiceResult;
/** Default inbound voice hook: dispatch with Twilio phone-number auth. */
export declare function defaultOnVoiceTranscription(_ctx: TwilioContext, transcription: TwilioVoiceTranscription): TwilioInboundResult;
/** Built-in Twilio event handlers for text delivery and terminal errors. */
export declare const defaultEvents: TwilioChannelEvents;