import { LowSync } from 'lowdb/lib';
import { Flow } from '@nosana/sdk';
import { CudaCheckSuccessResponse } from '../types/index.js';
export type NodeDb = {
    flows: {
        [key: string]: Flow;
    };
    resources: Resources;
    info: {
        version: string;
        country: string;
        network: {
            ip: string;
            ping_ms: number;
            download_mbps: number;
            upload_mbps: number;
        };
        system_environment: string;
        cpu: {
            model: string;
            physical_cores: number;
            logical_cores: number;
        };
        disk_gb: number;
        ram_mb: number;
        gpus: CudaCheckSuccessResponse;
        protocol: string;
    };
};
export type Resources = {
    images: {
        [key: string]: ResourceHistory;
    };
    volumes: {
        [key: string]: VolumeResource;
    };
};
export type ResourceHistory = {
    lastUsed: Date;
    usage: number;
    required: boolean;
    isPrivate?: boolean;
};
export type VolumeResource = ResourceHistory & {
    volume: string;
    /**
     * True from the moment the Docker volume is created until its download
     * completes. The entry is written before the download starts so that a
     * crash mid-download cannot orphan the volume: a pending entry is resynced
     * when its resource is requested again, and expired like any other entry
     * otherwise. Absent on entries written before this field existed.
     */
    pending?: boolean;
};
export declare class DB {
    db: LowSync<NodeDb>;
    constructor(configLocation: string);
}