export type ViewBoxOptions = {
    width: number;
    height: number;
} | {
    x0: number;
    x1: number;
    y0: number;
    y1: number;
};
export interface HierarchicalDatum {
    value?: number;
    children?: HierarchicalDatum[];
}
export type HierarchicalData = HierarchicalDatum[];
export interface HierarchicalNodeElement<Datum> {
    key: string;
    parentKey?: string;
    flattenIndex: number;
    index: number;
    depth: number;
    maxDepth: number;
    isLeaf?: boolean;
    value: number;
    datum: Datum[];
    children?: HierarchicalNodeElement<Datum>[];
}
export type TextAlignType = 'left' | 'right' | 'center' | 'start' | 'end';
export type TextBaselineType = 'top' | 'middle' | 'bottom' | 'alphabetic';
export interface HierarchyLabelAttrs {
    x?: number;
    y?: number;
    text?: string;
    textAlign?: TextAlignType;
    textBaseline?: TextBaselineType;
    angle?: number;
    maxLineWidth?: number;
}