import type { WebGLContextManager } from "../../../webgl/context-manager";
import type { SeriesChart } from "../series";
/**
 * Re-export of the bar discriminator value so `series-render.ts` can
 * filter the `_bars` columnar storage without pulling the full
 * `series-build` types into its import surface.
 */
export declare const BAR_TYPE_BAR_VAL = 0;
type GL = WebGL2RenderingContext | WebGLRenderingContext;
/**
 * Draw the bar-typed subset of `chart._bars` as instanced quads. Assumes
 * the caller has already `useProgram`'d the bar shader and set uniforms.
 */
export declare function drawBars(chart: SeriesChart, gl: GL, glManager: WebGLContextManager): void;
export {};