import { ToolContext } from './tools';
export declare function listSessions(): {
    id: string;
    messages: number;
    createdAt: string;
    lastActiveAt: string;
}[];
export declare function clearSession(sessionId: string): void;
export interface ChatMessage {
    role: 'user' | 'assistant';
    content: string;
}
export interface ChatResult {
    reply: string;
    sessionId: string;
    turns: number;
    toolCalls: string[];
}
export declare function orchestratorChat(sessionId: string, userMessage: string, ctx: ToolContext): Promise<ChatResult>;