import type { DatabaseSync } from 'node:sqlite';
import type { SessionListQuery, SessionMetadata, PaginatedResult } from '../../session/types.js';
import { type SessionMetadataSeed } from './session-metadata.js';
import { buildGlobalSessionStats } from './row-mappers.js';
export declare function ensureSessionInTransaction(db: DatabaseSync, sessionKey: string, cwd: string, seed?: SessionMetadataSeed): SessionMetadata;
export declare function ensureSessionRecord(sessionKey: string, cwd: string, seed?: SessionMetadataSeed): SessionMetadata;
export declare function readCurrentSessionId(db: DatabaseSync, sessionKey: string): string | null;
export declare function getSessionMetadata(sessionKey: string): SessionMetadata | null;
export declare function getCurrentSessionId(sessionKey: string): string | null;
export declare function listSessionMetadata(query?: SessionListQuery): PaginatedResult<SessionMetadata>;
export declare function patchSessionMetadata(sessionKey: string, updates: Partial<SessionMetadata>): SessionMetadata;
export declare function updateSessionStats(sessionKey: string, stats: {
    messageCount: number;
    estimatedTokens: number;
    lastInteractionAt?: number;
}): void;
export declare function incrementSessionStatsOnAppend(sessionKey: string, tokenDelta?: number): void;
export declare function resetSessionRecord(sessionKey: string, cwd: string): {
    sessionId: string;
    previousSessionId: string;
} | null;
export declare function deleteSessionRecord(sessionKey: string): boolean;
export declare function listSessionsByAgent(agentId: string): SessionMetadata[];
export declare function getSessionPersistedLevels(sessionKey: string): {
    thinkingLevel: string | null;
    verboseLevel: string | null;
} | null;
export declare function findSessionKeyBySessionId(sessionId: string): string | null;
export declare function getGlobalSessionStats(): ReturnType<typeof buildGlobalSessionStats>;
export declare function resolveSessionAgentId(sessionKey: string): string;