/**
 * Copyright 2025 Angus.Fenying <fenying@litert.org>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import * as NodeWorker from 'node:worker_threads';
import * as Shared from '../../shared';
import type * as dT from '../Transporter.decl';
import { EventEmitter } from 'node:events';
declare abstract class AbstractThreadTransporter extends EventEmitter {
    readonly protocol: string;
    constructor(protocol: string);
    getPropertyNames(): string[];
    getAllProperties(): Record<string, unknown>;
    getProperty(name: string): unknown;
    abstract destroy(): void;
    end(): void;
    protected _write(worker: NodeWorker.MessagePort | NodeWorker.Worker, frame: Array<string | Buffer>): void;
    protected _onMessage: (frame: unknown) => void;
}
export declare class MainThreadTransporter extends AbstractThreadTransporter implements dT.ITransporter, Shared.ITransporter {
    protected readonly _worker: NodeWorker.Worker;
    private _closed;
    constructor(protocol: string, _worker: NodeWorker.Worker);
    private readonly _onError;
    private readonly _onExit;
    destroy(): void;
    get writable(): boolean;
    write(frame: Array<string | Buffer>): void;
}
export declare class WorkerThreadTransporter extends AbstractThreadTransporter implements dT.ITransporter, Shared.ITransporter {
    private _hold;
    constructor(protocol: string);
    destroy(): void;
    get writable(): boolean;
    write(frame: Array<string | Buffer>): void;
}
export {};
//# sourceMappingURL=WorkerThread.Transporter.d.ts.map