/// <reference types="node" />
import type { MessagePort } from 'worker_threads';
/**
 * Runner logic for Running a Project in a worker thread.
 */
export declare class ThreadRunner<T extends ThreadRunnerSubject> {
    private subjectFactory;
    constructor(subjectFactory: () => T);
    private requestInterceptors;
    /**
     * The instance of the object this runner will communicate with. It should have methods with the same names as the request being sent.
     */
    private subject;
    private messageHandler;
    run(parentPort: MessagePort): void;
    /**
     * Fired anytime we get an `activate` request from the client. This allows us to clean up the previous project and make a new one
     */
    private onActivate;
}
export interface ThreadRunnerSubject {
    /**
     * Called whenever a new subject has been activated
     */
    activate(...args: any[]): void | Promise<any>;
    /**
     * Called whenever a subject will no longer be used. Allows for cleaning up a subject.
     */
    dispose(): void | Promise<any>;
}