import type { Theme } from "../modes/theme/theme";
import type { State } from "./types";
export interface OutputBlockOptions {
    header?: string;
    headerMeta?: string;
    state?: State;
    sections?: Array<{
        label?: string;
        lines: string[];
    }>;
    width: number;
    applyBg?: boolean;
}
/**
 * Return the width available to section content after the output block's
 * visible left and right borders. Keep callers on the same layout contract as
 * renderOutputBlock so width-aware projections are not wrapped a second time.
 */
export declare function getOutputBlockContentWidth(width: number, theme: Theme): number;
export declare function renderOutputBlock(options: OutputBlockOptions, theme: Theme): string[];
/**
 * Cached wrapper around `renderOutputBlock`.
 *
 * Since output blocks are re-rendered on every frame (via `render(width)` closures),
 * but their content rarely changes, this cache avoids redundant `visibleWidth()` and
 * `padding()` computations on ~99% of render calls.
 */
export declare class CachedOutputBlock {
    #private;
    /** Render with caching. Returns cached result if options haven't changed. */
    render(options: OutputBlockOptions, theme: Theme): string[];
    /** Invalidate the cache, forcing a rebuild on next render. */
    invalidate(): void;
}