export interface HeatmapPlotData {
  centers: Float32Array;
  colors: Uint8Array;
  saturations: Float32Array;
}
export declare class HeatmapWebGLProgram {
  private gl;
  private readonly shaders;
  private readonly quadBuffer;
  private readonly centers;
  private readonly colors;
  private readonly saturations;
  private readonly flatVariant;
  private readonly roundedVariant;
  private active;
  constructor(gl: WebGL2RenderingContext);
  private buildVariant;
  setBorderRadius(borderRadius: number): void;
  setResolution(width: number, height: number): void;
  setRectDimensions(width: number, height: number): void;
  plot(plotData: HeatmapPlotData): void;
  render(dataLength: number): void;
  dispose(): void;
}