import { DataRelation } from '../../data';
import { DrawerData, LayerOptions, LayerStyle, LayerTreemapStyle, Node, RectDrawerProps, TextDrawerProps } from '../../types';
import { LayerBase } from '../base';
type Key = 'rect' | 'text';
export declare class LayerTreemap extends LayerBase<Key> {
    private _data;
    private _style;
    protected textData: DrawerData<TextDrawerProps>[][];
    protected rectData: (DrawerData<RectDrawerProps> & {
        data: Node;
        color: string;
        meta: AnyObject;
    })[];
    get data(): Maybe<DataRelation>;
    get style(): LayerTreemapStyle;
    constructor(options: LayerOptions);
    setData(data: LayerTreemap['data']): void;
    setStyle(style: LayerStyle<LayerTreemapStyle>): void;
    update(): void;
    draw(): void;
}
export {};