import { Table, RectLayerSpec } from '../types';
export declare const heatmapTransform: (inputTable: Table, xColumnKey: string, yColumnKey: string, xDomain: number[], yDomain: number[], width: number, height: number, binSize: number, colors: string[]) => RectLayerSpec;
export declare const bin2d: (table: Table, xColKey: string, yColKey: string, xDomain: number[], yDomain: number[], width: number, height: number, binSize: number) => Table;
