import { default as React } from 'react';
export interface TreeNode {
    /** Node ID */
    id: string;
    /** Node label */
    label: React.ReactNode;
    /** Node icon */
    icon?: React.ReactNode;
    /** Child nodes */
    children?: TreeNode[];
    /** Disabled state */
    disabled?: boolean;
}
export interface TreeViewProps {
    /** Tree data */
    data: TreeNode[];
    /** Selected node ID */
    selectedId?: string;
    /** Selection handler */
    onSelect?: (node: TreeNode) => void;
    /** Expanded node IDs */
    expandedIds?: string[];
    /** Expand handler */
    onExpand?: (nodeId: string) => void;
    /** Default expanded */
    defaultExpanded?: boolean;
    /** Show lines */
    showLines?: boolean;
    /** Additional className */
    className?: string;
}
/**
 * TreeView Component
 *
 * Hierarchical tree view with expand/collapse.
 * Supports selection, custom icons, and indentation lines.
 *
 * @example
 * ```tsx
 * <TreeView
 *   data={fileTree}
 *   selectedId={selectedNode}
 *   onSelect={handleSelect}
 *   showLines
 * />
 * ```
 *
 * @example
 * ```tsx
 * <TreeView
 *   data={folderStructure}
 *   expandedIds={expandedNodes}
 *   onExpand={handleExpand}
 *   defaultExpanded
 * />
 * ```
 */
export declare const TreeView: React.FC<TreeViewProps>;
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