import { LocationInfo, Node } from './node';
/**
 * A Node type that outputs nothing.
 * We use this for nodes that expect other
 * nodes in the form of { value: any }
 */
export declare class Nil extends Node {
    value: any;
    constructor(value?: any, location?: LocationInfo);
    eval(): this;
    toString(): string;
    toCSS(): string;
    toModule(): string;
}
export declare const nil: (value?: any, location?: LocationInfo) => Nil;