import { HarnessStreamPart, RunContext, Session } from '../types/index.js';
export declare class SessionEventManager {
    private helpers;
    private assistantTextKey;
    private readonly runtimeEventLogKey;
    private readonly runtimeEventLogMaxEntries;
    constructor(helpers: {
        touchSession: (session: Session) => void;
        getSessionTurn: (session: Session) => number;
    });
    private appendRuntimeEvent;
    private toEventLogValue;
    private flushAssistantFinalEvent;
    recordRuntimeEvent(context: RunContext, part: HarnessStreamPart): void;
    cleanupSession(session: Session): void;
}