import { DataTable } from '../../data';
import { ArcDrawerProps, DrawerData, LayerChordStyle, LayerOptions, LayerStyle, PathDrawerProps, SourceMeta } from '../../types';
import { LayerBase } from '../base';
import { createRotatedArcText } from '../helpers';
type Key = 'node' | 'edge' | 'text';
export declare class LayerChord extends LayerBase<Key> {
    private _data;
    private _style;
    protected textData: ReturnType<typeof createRotatedArcText>[];
    protected nodeData: (DrawerData<ArcDrawerProps> & {
        meta: Pick<SourceMeta, 'category' | 'value'>;
        color: string;
        index: number;
    })[];
    protected edgeData: (DrawerData<PathDrawerProps> & {
        color: string;
        index: number;
    })[][];
    get data(): Maybe<DataTable>;
    get style(): LayerChordStyle;
    constructor(options: LayerOptions);
    setData(data: LayerChord['data']): void;
    setStyle(style: LayerStyle<LayerChordStyle>): void;
    update(): void;
    draw(): void;
}
export {};