export interface DeviceStateResult {
    success: boolean;
    regs?: Record<string, number | null>;
    decoded?: Record<string, unknown>;
    accessible?: boolean;
    error?: string;
}
/** Pure: extract the device_state JSON from mixed daemon output (scan lines reverse). */
export declare function parseDeviceState(out: string): DeviceStateResult;
export declare function getDeviceState(signal?: AbortSignal): Promise<DeviceStateResult>;