import type { IMainIO } from './defs';
import { MainIO } from './main_io';
/**
 * Main worker buffers characters locally, and stores just one character at a time in the
 * SharedArrayBuffer so that the web worker can read it.
 */
export declare class SharedArrayBufferMainIO extends MainIO implements IMainIO {
    constructor();
    disable(): Promise<void>;
    enable(): Promise<void>;
    private _handleStdin;
    private _sendResult;
    private _waitForRequest;
    get sharedArrayBuffer(): SharedArrayBuffer;
    private _intArray;
    private _sharedArrayBuffer;
}