import type { IInput } from './input';
/**
 * Dummy input that returns immediately on read request.
 * Used by IContext when no command is running, should never be read from.
 */
export declare class DummyInput implements IInput {
    get finished(): boolean;
    isTerminal(): boolean;
    poll(timeoutMs: number): boolean;
    readAsync(maxChars: number | null): Promise<number[]>;
    read(maxChars: number | null): number[];
}