/**
 * Generic collapsible container component.
 * Can be used to wrap any content that should be expandable/collapsible.
 */
import { Container } from '@mariozechner/pi-tui';
import type { TUI } from '@mariozechner/pi-tui';
export interface CollapsibleOptions {
    /** Initial expanded state */
    expanded?: boolean;
    /** Header text or component */
    header: string | Container;
    /** Summary shown when collapsed */
    summary?: string;
    /** Max lines to show when collapsed (0 = fully collapsed) */
    collapsedLines?: number;
    /** Max lines to show when expanded */
    expandedLines?: number;
    /** Whether to show line count in header */
    showLineCount?: boolean;
}
export declare class CollapsibleComponent extends Container {
    private expanded;
    private header;
    protected summary?: string;
    private content;
    private options;
    private ui;
    constructor(options: CollapsibleOptions, ui: TUI);
    setContent(content: string | string[]): void;
    isExpanded(): boolean;
    setExpanded(expanded: boolean): void;
    toggle(): void;
    private updateDisplay;
}
/**
 * File viewer with collapsible content
 */
export declare class CollapsibleFileViewer extends CollapsibleComponent {
    constructor(path: string, content: string, options: Partial<CollapsibleOptions>, ui: TUI);
}
/**
 * Diff viewer with collapsible hunks
 */
export declare class CollapsibleDiffViewer extends CollapsibleComponent {
    private oldContent;
    private newContent;
    constructor(path: string, oldContent: string, newContent: string, options: Partial<CollapsibleOptions>, ui: TUI);
    private generateDiff;
}
/**
 * Command output viewer with collapsible sections
 */
export declare class CollapsibleCommandOutput extends CollapsibleComponent {
    constructor(command: string, output: string, exitCode: number, options: Partial<CollapsibleOptions>, ui: TUI);
}
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