/**
 * [WHO]: CompactionSummaryMessageComponent
 * [FROM]: Depends on @catui/tui, ../theme/theme.js, ./keybinding-hints.js
 * [TO]: Consumed by modes/interactive/components/index.ts
 * [HERE]: modes/interactive/components/compaction-summary-message.ts - compaction summary display
 */
import { Box, type MarkdownTheme } from "@catui/tui";
import type { CompactionSummaryMessage } from "../../../core/messages.js";
/**
 * Component that renders a compaction message with collapsed/expanded state.
 * Uses same background color as custom messages for visual consistency.
 */
export declare class CompactionSummaryMessageComponent extends Box {
    private nextContent;
    private expanded;
    private message;
    private markdownTheme;
    constructor(message: CompactionSummaryMessage, markdownTheme?: MarkdownTheme);
    private renderLegacy;
    private invalidateLegacy;
    render(width: number): string[];
    setExpanded(expanded: boolean): void;
    invalidate(): void;
    private updateDisplay;
}