/**
 * Hardware probe — T044, FR-012.
 *
 * Three-state gate: inspects platform/arch, unified memory, and battery
 * to return `full_local`, `classification_only`, or `disabled`.
 *
 * Pure function of SystemInfo × config; side-effect-free for testability.
 * Default SystemInfo provider reads from Node.js `os` and platform-specific
 * power sources (macOS pmset, Linux /sys/class/power_supply, Windows WMI).
 */
export type HardwareProbeResult = 'full_local' | 'classification_only' | 'disabled';
export interface HardwareProbeConfig {
    readonly min_memory_gb_full: number;
    readonly min_memory_gb_classification: number;
    readonly battery_threshold_pct: number;
}
export interface SystemInfo {
    readonly totalMemoryGb: number;
    readonly arch: string;
    readonly platform: NodeJS.Platform;
    readonly batteryLevel: number | null;
    readonly isOnAcPower: boolean | null;
}
/** Port for dependency injection in tests. */
export interface SystemInfoPort {
    getSystemInfo(): Promise<SystemInfo>;
}
export declare function probeHardware(config: HardwareProbeConfig, info: SystemInfo): HardwareProbeResult;
export declare function getDefaultSystemInfoPort(): SystemInfoPort;
export declare function getDefaultSystemInfo(): Promise<SystemInfo>;
export declare function probeHardwareDefault(config: HardwareProbeConfig): Promise<HardwareProbeResult>;
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