export interface SystemStats {
    /** Overall CPU usage 0–100 (integer). */
    cpuUsage: number;
    /** Rolling CPU history, oldest → newest, values 0–100. */
    cpuHistory: number[];
    /** Page-file usage 0–100, and its rolling history. */
    pfUsage: number;
    pfHistory: number[];
    /** Commit charge, in megabytes. */
    commitCurrentMB: number;
    commitLimitMB: number;
    commitPeakMB: number;
    /** Physical memory, in kilobytes. */
    physicalTotalKB: number;
    physicalAvailableKB: number;
    systemCacheKB: number;
    /** Totals (handles / threads / processes) shown on the Performance tab. */
    handleCount: number;
    threadCount: number;
    /** Monotonic tick — lets consumers derive per-row jitter deterministically. */
    tick: number;
}
export declare const useSystemStats: (processCount: number) => SystemStats;