import type { WebGLContextManager } from "../../webgl/context-manager";
import { type SeriesChart } from "./series";
/**
 * Upload bar instance buffers from the columnar `_bars` storage.
 */
export declare function uploadBarInstances(chart: SeriesChart, glManager: WebGLContextManager): void;
/**
 * Re-upload the per-bar color attribute. Short-circuits when the new
 * colors match the last-uploaded snapshot byte-for-byte. Legacy code
 * ran this every frame regardless; with the cached palette now stable
 * across pan/zoom this becomes a no-op except after data load /
 * `restyle()`.
 */
export declare function uploadBarColors(chart: SeriesChart, glManager: WebGLContextManager): void;
/**
 * Drop persistent vertex buffers for line / scatter / area glyphs.
 * Called from `uploadAndRender` before {@link rebuildGlyphBuffers}.
 */
export declare function invalidateGlyphBuffers(chart: SeriesChart): void;
/**
 * Build persistent vertex buffers for line / scatter / area glyphs.
 * The legacy renderers rebuilt and re-uploaded these every frame inside
 * the per-glyph draw functions; with stable post-build geometry the
 * uploads now happen exactly once per data-load / palette change.
 */
export declare function rebuildGlyphBuffers(chart: SeriesChart, glManager: WebGLContextManager): void;
/**
 * Full-frame render: gridlines → WebGL bars (instanced) → chrome overlay.
 */
export declare function renderBarFrame(chart: SeriesChart, glManager: WebGLContextManager): void;
/**
 * Draw axes chrome + legend + tooltip onto the overlay canvas.
 */
export declare function renderBarChromeOverlay(chart: SeriesChart): void;
export declare function rightAxisDataToPixel(chart: SeriesChart, x: number, y: number): {
    px: number;
    py: number;
};