import type { LowSync } from 'lowdb';
import type { Flow, OpState, FlowState } from '@nosana/sdk';
import type { NodeDb, ResourceHistory, VolumeResource } from '../db/index.js';
export declare class NodeRepository {
    private db;
    constructor(db: LowSync<NodeDb>);
    private lastPersistError?;
    private lastPersistReportAt;
    /**
     * Write the database to disk, reporting rather than throwing when it cannot.
     *
     * lowdb writes synchronously, so a disk fault throws into container handlers,
     * where it escapes uncaught, and into the awaited flow paths, where it fails
     * the operation. The in-memory update is already applied, so only durability
     * depends on this.
     */
    private persist;
    getFlow(id: string): Flow;
    getFlows(): {
        [key: string]: Flow;
    };
    setflow(id: string, flow: Flow): void;
    deleteflow(id: string): void;
    addOpstate(id: string, opstate: OpState): void;
    getFlowState(id: string): FlowState;
    updateflowState(id: string, updatedFields: Partial<FlowState>): void;
    updateflowStateSecret(id: string, updatedFields: {
        [key: string]: any;
    }): void;
    getFlowSecret(id: string, key: string): any | undefined;
    updateflowStateError(id: string, { status, error, }: {
        status?: string;
        error: Error | unknown;
    }): void;
    /** Undefined once the flow is gone: container handlers outlive it. */
    private opStateFor;
    /** The diagnostics, filled in for an op state stored without them. */
    private diagnosticsFor;
    getOpState(id: string, index: number): OpState | undefined;
    updateOpState(id: string, opIndex: number, updatedFields: Partial<OpState>): void;
    updateOpStateExitCode(id: string, opIndex: number, exitCode: number): void;
    updateOpStateLogs(id: string, opIndex: number, log: any): void;
    setOpStateDiagnosticsReason(id: string, opIndex: number, reason: Partial<OpState['diagnostics']['reason']>): void;
    setOpStateDiagnosticsState(id: string, opIndex: number, state: OpState['diagnostics']['state']): void;
    updateOpStateError(id: string, opIndex: number, error: {
        event: string;
        message: string;
        code?: number;
    }): void;
    updateNodeInfo(updatedFields: Partial<NodeDb['info']>): void;
    getNodeInfo(): NodeDb['info'];
    getImagesResources(): {
        [key: string]: ResourceHistory;
    };
    getImageResource(image: string): ResourceHistory;
    createImageResource(image: string, fields: ResourceHistory): void;
    updateImageResource(image: string, updatedFields: Partial<ResourceHistory> | ResourceHistory): void;
    deleteImageResource(image: string): void;
    getVolumesResources(): {
        [key: string]: VolumeResource;
    };
    getVolumeResource(volume: string): VolumeResource;
    createVolumeResource(volume: string, fields: VolumeResource): void;
    updateVolumeResource(volume: string, updatedFields: Partial<VolumeResource> | VolumeResource): void;
    deleteVolumeResource(volume: string): void;
    displayLog(log: string): string;
    getFlowOperationName(id: string, index: number): string;
}