/**
 * [WHO]: Spacer
 * [FROM]: No external dependencies
 * [TO]: Consumed by core/lib/tui/src/index.ts
 * [HERE]: core/lib/tui/src/components/spacer.ts -
 */
import type { Component } from "../tui.js";
/**
 * Spacer component that renders empty lines
 */
export declare class Spacer implements Component {
    private lines;
    constructor(lines?: number);
    setLines(lines: number): void;
    invalidate(): void;
    render(_width: number): string[];
}