/**
 * Incoming Message Processor
 *
 * Pre-processes incoming messages: language detection, transfer intent,
 * end-call detection, and STT artifact cleanup.
 */
import type { Channel, TalkerDependencies } from "../../types";
/**
 * Result from the incoming message pre-processor
 */
export interface IncomingResult {
    /** Whether the caller should be transferred to a human */
    shouldTransfer: boolean;
    /** Whether the caller wants to end the conversation */
    shouldEndCall: boolean;
    /** Detected language code (ISO 639-1) */
    detectedLanguage: string;
    /** Cleaned and processed message */
    processedMessage: string;
}
/**
 * Pre-process an incoming message
 */
export declare function processIncoming(deps: TalkerDependencies, phoneNumber: string, userMessage: string, channel?: Channel): Promise<IncomingResult>;