import type { ReactNode, MouseEvent } from "react";
import type { NodeRendererProps, NodeApi, TreeApi } from "react-arborist";
export interface TreeNodeData {
    /** Unique key for the node (must be unique across entire tree) */
    key: string;
    /** Display title for the node */
    title: ReactNode;
    /** Child nodes */
    children?: TreeNodeData[];
    /** Whether the node is disabled */
    disabled?: boolean;
    /** Whether the node can be selected */
    selectable?: boolean;
    /** Whether the node is a leaf (hides expand icon) */
    isLeaf?: boolean;
}
export interface CheckedKeys {
    checked: string[];
    halfChecked: string[];
}
export interface TreeProps {
    /** Tree data array */
    treeData: TreeNodeData[];
    /** Whether nodes can be selected */
    selectable?: boolean;
    /** Controlled selected node keys */
    selectedKeys?: string[];
    /** Default selected node keys (uncontrolled) */
    defaultSelectedKeys?: string[];
    /** Allow multiple node selection */
    multiple?: boolean;
    /** Called when selection changes */
    onSelect?: (keys: string[], info: {
        node: TreeNodeData;
    }) => void;
    /** Controlled expanded node keys */
    expandedKeys?: string[];
    /** Default expanded node keys (uncontrolled) */
    defaultExpandedKeys?: string[];
    /** Auto-expand parent when child is expanded */
    autoExpandParent?: boolean;
    /** Called when expansion changes */
    onExpand?: (keys: string[], info: {
        expanded: boolean;
        node: TreeNodeData;
    }) => void;
    /** Show checkboxes before nodes */
    checkable?: boolean;
    /** Controlled checked node keys */
    checkedKeys?: string[] | CheckedKeys;
    /** Default checked node keys (uncontrolled) */
    defaultCheckedKeys?: string[];
    /** Decouple parent/child checkbox state */
    checkStrictly?: boolean;
    /** Called when check state changes */
    onCheck?: (keys: string[] | CheckedKeys, info: {
        checked: boolean;
        node: TreeNodeData;
    }) => void;
    /** Enable drag and drop */
    draggable?: boolean;
    /** Allow dropping on nodes */
    allowDrop?: boolean;
    /** Called when a node is moved via DnD */
    onMove?: (info: {
        dragIds: string[];
        parentId: string | null;
        index: number;
    }) => void;
    /** Customize node title rendering */
    titleRender?: (nodeData: TreeNodeData) => ReactNode;
    /** Full custom node renderer (takes precedence over titleRender) */
    renderNode?: (props: NodeRendererProps<TreeNodeData>) => ReactNode;
    /** Custom expand/collapse icon */
    switcherIcon?: ReactNode | ((props: {
        expanded: boolean;
    }) => ReactNode);
    /** Highlight function: returns true to add highlight class */
    filterTreeNode?: (node: TreeNodeData) => boolean;
    /** Async data loading on expand */
    loadData?: (nodeData: TreeNodeData) => Promise<void>;
    /** Keys of nodes whose children have been loaded */
    loadedKeys?: string[];
    /** Called when a node finishes loading */
    onLoad?: (loadedKeys: string[], info: {
        node: TreeNodeData;
    }) => void;
    /** Show connecting lines between nodes */
    showLine?: boolean;
    /** Nodes fill remaining horizontal space */
    blockNode?: boolean;
    /** Tree height in px (enables virtual scroll) */
    height?: number;
    /** Enable virtual scrolling (default true when height is set) */
    virtual?: boolean;
    /** Disable the entire tree */
    disabled?: boolean;
    /** Right-click handler */
    onRightClick?: (info: {
        event: MouseEvent;
        node: TreeNodeData;
    }) => void;
    /** Additional CSS class */
    className?: string;
    /** Row height in px for virtual scroll */
    rowHeight?: number;
    /** Indent per level in px */
    indent?: number;
}
export type { NodeRendererProps, NodeApi, TreeApi };