export interface PortInfo {
    path: string;
    manufacturer?: string | undefined;
    serialNumber?: string | undefined;
    pnpId?: string | undefined;
    locationId?: string | undefined;
    productId?: string | undefined;
    vendorId?: string | undefined;
}
export type AsyncState<T> = {
    status: 'loading';
} | {
    status: 'success';
    value: T;
} | {
    status: 'error';
    error: Error;
    value?: T;
};
export declare function useDevices(listen?: boolean): {
    status: "loading";
} | AsyncState<PortInfo[]>;
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