import { IExecuteFunctions, INodeExecutionData } from 'n8n-workflow';
/**
 * Initiates a firmware upgrade for a device or group
 * POST /firmware/v1/upgrade
 *
 * @param this The n8n execution context
 * @returns Result of the firmware upgrade operation
 */
export declare function upgradeFirmware(this: IExecuteFunctions): Promise<INodeExecutionData[]>;
