export interface DataFetcher {
    on<T>(eventName: 'data' | 'error', listener: (data: T) => void): this;
    setValue(deviceId: string, paramId: string, value: any): Promise<void>;
    start(): void;
    stop(): void;
}
export interface System {
    systemId: string;
    name: string;
    premiumSubscriptions: string[];
}
export interface Device {
    id: string;
    name: string;
    serialNumber: string;
    firmwareUpdateAvailable: boolean;
}
export interface Parameter {
    id: string;
    name: string;
    value: number;
    unit: string;
}
export interface Data {
    system: System;
    device: Device;
    parameters: Parameter[];
}