import type { WebGLContextManager } from "../../webgl/context-manager";
import type { CandlestickChart } from "./candlestick";
/**
 * Resolve up/down body colors from `theme.gradientStops`. Cached on the
 * chart via `_upDownColorKey` (reference identity of the stops array)
 * — only `restyle()` (which clears the theme cache via
 * `invalidateTheme`) or a data load with a fresh theme triggers
 * resampling. Legacy code re-sampled every frame.
 */
export declare function ensureUpDownColors(chart: CandlestickChart): void;
/**
 * Drop persistent body / wick / OHLC vertex buffers. Subsequent draws
 * no-op until the next {@link rebuildGlyphBuffers} call.
 */
export declare function invalidateGlyphBuffers(chart: CandlestickChart): void;
/**
 * Rebuild the persistent body / wick / OHLC vertex buffers. Reads
 * `_candles` (columnar) plus the cached `_upColor` / `_downColor` to
 * populate the GPU buffers exactly once per data load. Subsequent pan/
 * zoom redraws bind + dispatch with no uploads.
 */
export declare function rebuildGlyphBuffers(chart: CandlestickChart, glManager: WebGLContextManager): void;
export declare function renderCandlestickFrame(chart: CandlestickChart, glManager: WebGLContextManager): void;
export declare function renderCandlestickChromeOverlay(chart: CandlestickChart): void;