import type { HarnessStreamPart, RunContext, Session } from '../types/index.js';
import type { SessionStore } from '../session/SessionStore.js';
import type { ConversationEventLog } from './ConversationEventLog.js';
export interface DefaultConversationEventLogConfig {
    sessionStore: SessionStore;
}
/**
 * Default conversation event log extracted from SessionEventManager + Runtime checkpoint logic.
 *
 * Handles:
 * - Recording stream parts into session working memory
 * - Text-delta accumulation and flush on terminal events
 * - Value truncation at depth 5 for safe serialization
 * - Checkpoint determination and persistence
 */
export declare class DefaultConversationEventLog implements ConversationEventLog {
    private sessionStore;
    constructor(config: DefaultConversationEventLogConfig);
    record(context: RunContext, part: HarnessStreamPart): void;
    checkpoint(session: Session): Promise<void>;
    shouldCheckpoint(part: HarnessStreamPart): boolean;
    cleanup(session: Session): void;
    private getSessionTurn;
    private appendEvent;
    private flushAssistantText;
    private toEventLogValue;
}