import EventEmitter from 'node:events';
interface AbstractPhysicalLayerEvents {
    data: [data: Buffer, response: (data: Buffer) => Promise<void>];
    write: [data: Buffer];
    error: [error: Error];
    close: [];
}
export declare abstract class AbstractPhysicalLayer extends EventEmitter<AbstractPhysicalLayerEvents> {
    abstract readonly TYPE: 'SERIAL' | 'NET';
    abstract readonly isOpen: boolean;
    abstract readonly destroyed: boolean;
    abstract open(...args: any[]): Promise<void>;
    abstract write(data: Buffer): Promise<void>;
    abstract close(): Promise<void>;
    abstract destroy(): Promise<void>;
}
export {};