import { TxIconSource } from '../../icon';
export type TreeKey = string | number;
export interface TreeNode {
    key: TreeKey;
    label: string;
    children?: TreeNode[];
    leaf?: boolean;
    disabled?: boolean;
    icon?: TxIconSource | string;
}
export type TreeValue = TreeKey | TreeKey[];
export interface TreeProps {
    nodes?: TreeNode[];
    modelValue?: TreeValue;
    multiple?: boolean;
    selectable?: boolean;
    checkable?: boolean;
    disabled?: boolean;
    defaultExpandedKeys?: TreeKey[];
    /**
     * Seeds the selection the tree keeps for itself. Ignored while `modelValue`
     * is bound — then the host owns it, the same split `expandedKeys` has.
     */
    defaultSelectedKeys?: TreeKey[];
    expandedKeys?: TreeKey[];
    indent?: number;
    filterText?: string;
    filterMethod?: (node: TreeNode, query: string) => boolean;
}
export interface TreeEmits {
    (e: 'update:modelValue', value: TreeValue): void;
    (e: 'select', payload: {
        key: TreeKey;
        node: TreeNode;
    }): void;
    (e: 'toggle', payload: {
        key: TreeKey;
        expanded: boolean;
    }): void;
    (e: 'update:expandedKeys', value: TreeKey[]): void;
}