import { Observable } from 'rxjs';
/**
 * Scan options provided when starting scan
 */
export interface DeviceScannerOptions {
    /**
     * Timeout in milliseconds
     */
    timeout?: number;
}
export interface DeviceScanner<DataType> {
    /**
     * Observable on scanner state (true = scanner is running)
     */
    scanning: Observable<boolean>;
    /**
     * return true if scanner is currently running
     */
    isScanning: boolean;
    /**
     * Emit scan results
     */
    results: Observable<DataType[]>;
    /**
     * Start scan
     * Will return an Observable that emitts @{link DeviceScanResult} each time
     * a device is disoverd
     * @param option
     */
    start(option?: DeviceScannerOptions): Promise<any>;
    /**
     * Stop scan
     */
    stop(): Promise<any>;
}