import Transport from "@ledgerhq/hw-transport";
import { Observable } from "rxjs";
export type GetAppAndVersionCmdEvent = {
    type: "data";
    appAndVersion: {
        name: string;
        version: string;
        flags: number | Buffer;
    };
};
export declare function getAppAndVersion(transport: Transport): Observable<GetAppAndVersionCmdEvent>;
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