import { LitElement } from 'lit';
export interface TreeNode {
    id: string;
    label: string;
    icon?: string;
    children?: TreeNode[];
    isExpanded?: boolean;
    isSelected?: boolean;
    isDisabled?: boolean;
    metadata?: Record<string, any>;
    lazyLoad?: boolean;
    hasChildren?: boolean;
}
/**
 * Tree View component for displaying hierarchical data
 *
 * @element ui-tree-view
 *
 * @prop {TreeNode[]} nodes - Array of tree nodes
 * @prop {boolean} expandable - Allow expand/collapse
 * @prop {boolean} selectable - Allow node selection
 * @prop {boolean} multiSelect - Allow multiple selection
 * @prop {boolean} showCheckboxes - Show checkboxes for selection
 * @prop {boolean} showIcons - Show node icons
 * @prop {string[]} selectedIds - Currently selected node IDs
 * @prop {string[]} expandedIds - Currently expanded node IDs
 * @prop {'sm' | 'md' | 'lg'} size - Tree size
 * @prop {boolean} animated - Enable expand/collapse animation
 * @prop {boolean} searchable - Enable search functionality
 * @prop {string} searchQuery - Current search query
 * @prop {boolean} highlightSearch - Highlight search matches
 *
 * @fires node-select - Fired when a node is selected
 * @fires node-expand - Fired when a node is expanded/collapsed
 * @fires node-lazy-load - Fired when lazy loading is triggered
 *
 * @csspart container - The tree container
 * @csspart node - Individual tree node
 * @csspart node-content - Node content area
 */
export declare class TreeView extends LitElement {
    nodes: TreeNode[];
    expandable: boolean;
    selectable: boolean;
    multiSelect: boolean;
    showCheckboxes: boolean;
    showIcons: boolean;
    selectedIds: string[];
    expandedIds: string[];
    size: 'sm' | 'md' | 'lg';
    animated: boolean;
    searchable: boolean;
    searchQuery: string;
    highlightSearch: boolean;
    ariaLabel: string;
    ariaDescribedby: string;
    private _expandedNodes;
    private _selectedNodes;
    private focusedNodeId;
    private treeId;
    private descriptionId;
    private flatNodeList;
    connectedCallback(): void;
    disconnectedCallback(): void;
    private buildFlatNodeList;
    private handleKeyDown;
    private findParent;
    private expandAllSiblings;
    static styles: import("lit").CSSResult;
    updated(changedProperties: Map<string, any>): void;
    private handleExpandToggle;
    private handleToggle;
    private handleNodeClick;
    private handleCheckboxChange;
    private highlightText;
    private matchesSearch;
    private filterNodes;
    private renderNode;
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'ui-tree-view': TreeView;
    }
}
//# sourceMappingURL=tree-view.d.ts.map