import { Instance } from './Instance';
export declare abstract class BasicInstance<C> implements Instance<C> {
    /**
     * The context of the instance.
     */
    private context;
    protected runningTask: boolean;
    abstract shutdown(): void | Promise<void>;
    constructor(context: C);
    isFree(): boolean;
    submit<R>(task: (i: C) => Promise<R>): Promise<R>;
    lock(): void | Promise<void>;
    release(): void | Promise<void>;
    /**
     * Gets the context of the instance.
     *
     * @returns the context of the instance.
     */
    getContext(): C;
}