import { Observable } from "rxjs";
import Transport from "@ledgerhq/hw-transport";
import type { FinalFirmware, OsuFirmware, DeviceInfo } from "@ledgerhq/types-live";
import { UnresponsiveCmdEvent } from "../core";
export type InstallFirmwareCommandRequest = {
    targetId: DeviceInfo["targetId"];
    firmware: OsuFirmware | FinalFirmware;
};
export type InstallFirmwareCommandEvent = {
    type: "progress";
    progress: number;
} | {
    type: "allowSecureChannelRequested";
} | {
    type: "firmwareInstallPermissionRequested";
} | {
    type: "firmwareInstallPermissionGranted";
} | UnresponsiveCmdEvent;
/**
 * Creates a scriptrunner connection with the /install API endpoint of the HSM in order to install (upload)
 * an OSU (operating system updater).
 * This is the same endpoint that is used to install applications, however the parameters that are
 * passed are different. Besides that, the emitted events are semantically different. This is why
 * this is a dedicated command to OSU installations.
 *
 * @param transport The transport object to contact the device
 * @param param1 The firmware details to be installed
 * @returns An observable that emits the events according to the progression of the firmware installation
 */
export declare function installFirmwareCommand(transport: Transport, { targetId, firmware }: InstallFirmwareCommandRequest): Observable<InstallFirmwareCommandEvent>;
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