export declare function collectSystemInfo(): Promise<{
    cpu: {
        count: number;
        models: Record<string, number>;
        loadAvg: number[];
        platform: NodeJS.Platform;
        arch: NodeJS.Architecture;
        uptimeSec: number;
        usage: {
            userPct: number;
            systemPct: number;
            idlePct: number;
            iowaitPct: number;
        } | null;
    };
    memory: {
        total: number;
        free: number;
        used: number;
        usedPct: number;
    };
    disk: {
        filesystem: string;
        size: number;
        used: number;
        available: number;
        usePct: string;
        mount: string;
    }[] | null;
    connections: {
        ports: number[];
        total: number;
        topRemote: {
            ip: string;
            count: number;
        }[];
    } | null;
    nginx: {
        installed: boolean;
        version?: undefined;
        status?: undefined;
        listening?: undefined;
        workerCount?: undefined;
    } | {
        installed: boolean;
        version: string;
        status: string;
        listening: string[];
        workerCount: number;
    } | {
        installed: boolean;
        error: string;
    };
    pm2: {
        installed: boolean;
        error?: undefined;
        processes?: undefined;
    } | {
        installed: boolean;
        error: string;
        processes?: undefined;
    } | {
        error?: undefined;
        installed: boolean;
        processes: any;
    } | {
        installed: boolean;
        error: string;
    };
}>;