import { TaskOperations } from '../interfaces/task-operations';
/**
 * Null implementation of the {@link TaskOperations} interface.
 */
export declare class NullTaskOperations implements TaskOperations {
    /**
     * Calling this function does nothing
     */
    close(): void;
    /**
     * Calling this function does nothing
     */
    open(): void;
    /**
     * Calling this function does nothing
     */
    reload(): void;
    /**
     * Calling this function does nothing
     */
    forceReload(): void;
}