import type { Settings } from "@opengeni/config";
import { type Database, type MachineMetricsRow } from "@opengeni/db";
import { MetricSample, type MachinesResponse } from "@opengeni/contracts";
export type MachinesServices = {
    db: Database;
    settings: Settings;
};
/**
 * Project a stored `machine_metrics_latest` row to the contract `MetricSample`.
 * The DB carries `gpuUtilPercent` + `gpuMemUsedBytes`/`gpuMemTotalBytes`; the wire
 * `MetricSample` exposes the single `gpuUtilPct` + `gpuMemBytes` (USED bytes — the
 * "how much VRAM is in use" the dashboard reads). A null any-numeric stays null
 * (the not-reported contract); the byte/load fields default to 0 when a sample
 * carried no value (the agent reports 0 == not-reported for those).
 */
export declare function metricRowToSample(row: MachineMetricsRow): MetricSample;
/**
 * Build the Machines dashboard response for a workspace. When `sessionId` is
 * supplied (an in-session view) the session's synthetic home group box is
 * prepended when one exists (`isSessionGroup:true`) and the active-sandbox pointer is echoed;
 * without it (the pure workspace dashboard) `activeSandboxId` is null and only
 * the enrolled machines are listed.
 */
export declare function listMachines(services: MachinesServices, input: {
    accountId?: string;
    workspaceId: string;
    subjectId?: string;
    sessionId?: string | null;
}): Promise<MachinesResponse>;