/**
 * Incoming Messaging Handler
 *
 * Handles POST /sms and POST /whatsapp — called by Twilio when a message
 * arrives. WhatsApp sends the same webhook format as SMS, but with
 * `whatsapp:` prefixed phone numbers in the From/To fields.
 */
import type { Context } from "hono";
import type { FlowRegistry } from "../../flows/registry";
import type { TalkerDependencies } from "../../types";
import { type MessagingChannel } from "./processor";
export declare function handleIncomingMessage(c: Context, deps: TalkerDependencies, registry: FlowRegistry, channel: MessagingChannel): Promise<Response>;