type GpuProc = {
    pid: string;
    name: string;
    memoryMB: number;
    gpuUuid: string;
};
type GpuInfo = {
    index: number;
    uuid: string;
    name: string;
    utilPercent: number;
    memUsedMB: number;
    memTotalMB: number;
    tempC: number;
    powerW: number;
    processes: GpuProc[];
};
type GpuSnapshot = {
    machine: string;
    capturedAt: string;
    gpus: GpuInfo[];
};
declare function queryGpuSnapshot(machine: string): Promise<GpuSnapshot>;
declare function renderGpuSnapshot(snapshot: GpuSnapshot, historyByGpu: Map<string, number[]>, refreshSeconds?: number): string;
export { queryGpuSnapshot, renderGpuSnapshot };
export type { GpuSnapshot, GpuInfo, GpuProc };