import type { DeploymentService, DeploymentServiceConfig, DeploymentConfig } from '@pikku/core/services';
import type { JWTService } from '@pikku/core/services';
import type { SecretService } from '@pikku/core/services';
import type { Kysely } from 'kysely';
import type { KyselyPikkuDB } from './kysely-tables.js';
export declare class KyselyDeploymentService implements DeploymentService {
    protected db: Kysely<KyselyPikkuDB>;
    private jwt?;
    private secrets?;
    private initialized;
    private heartbeatTimer?;
    private deploymentConfig?;
    private heartbeatInterval;
    private heartbeatTtl;
    constructor(config: DeploymentServiceConfig, db: Kysely<KyselyPikkuDB>, jwt?: JWTService | undefined, secrets?: SecretService | undefined);
    init(): Promise<void>;
    start(config: DeploymentConfig): Promise<void>;
    stop(): Promise<void>;
    invoke(funcName: string, data: unknown, session?: unknown, traceId?: string): Promise<unknown>;
    private sendHeartbeat;
}