import type { HierarchicalDatum, HierarchicalNodeElement, ViewBoxOptions } from '../interface/common';
export interface TreeOptions {
    direction?: 'horizontal' | 'vertical' | 'LR' | 'RL' | 'TB' | 'BT';
    layoutType?: 'orthogonal' | 'radial';
    alignType?: 'leaf' | 'depth';
    linkWidth?: number | number[];
    minNodeGap?: number;
    nodeKey?: string | number | ((datum: HierarchicalDatum) => string | number);
}
export type TreeTramsformOptions = TreeOptions & ViewBoxOptions & {
    flatten?: boolean;
    maxDepth?: number;
};
export interface TreeNodeElement extends HierarchicalNodeElement<HierarchicalDatum> {
    children?: TreeNodeElement[];
    x?: number;
    y?: number;
}
export interface TreeLinkElement {
    source: TreeNodeElement;
    target: TreeNodeElement;
    x0?: number;
    y0?: number;
    x1?: number;
    y1?: number;
    key?: string;
}