import type { StandardizedMessage } from '../types/standardized.js';
import type { ClockScheduleDirective } from './chat-process-clock-directives.js';
export declare function buildClockMarkerScheduleMessages(requestId: string, markerIndex: number, marker: ClockScheduleDirective, payload: Record<string, unknown>): StandardizedMessage[];
export declare function findLastUserMessageIndex(messages: StandardizedMessage[]): number;
export declare function injectTimeTagIntoMessages(messages: StandardizedMessage[], timeTagLine: string): StandardizedMessage[];
