import type { PPTChartElement, PPTCodeElement, PPTLatexElement, PPTMermaidElement } from '../types/slides';
type Raster = ImageBitmap | HTMLCanvasElement;
type RasterProducer = () => Promise<Raster | null> | Raster | null;
export declare const requestRaster: (key: string, produce: RasterProducer, invalidate: () => void) => Raster | undefined;
/**
 * Run a paint and return the raster jobs it is missing, keyed by resource.
 * Offscreen renders wait for exactly these instead of every pending raster in
 * the page, so slides rendered side by side no longer wait for each other.
 */
export declare const collectRasterJobs: (paint: () => void) => Map<string, Promise<Raster | null>>;
export declare const getChartRaster: (element: PPTChartElement, colors: string[], textColor: string, lineColor: string, invalidate: () => void) => Raster | undefined;
export declare const getMermaidRaster: (element: PPTMermaidElement, invalidate: () => void) => Raster | undefined;
export declare const getCodeRaster: (element: PPTCodeElement, invalidate: () => void) => Raster | undefined;
/**
 * Tight MathLive snapshot of a formula — same nowrap, max-content stage as
 * `LatexContent`. SnapDOM v3 `width`/`height` are output size only and do not
 * reflow the live tree, but a flex host sized to the slide box *does*: the
 * stage shrinks (`min-width:auto`), `.ML__latex` wraps, and the thumbnail
 * becomes two lines of fallback-looking text. Capture the unconstrained
 * stage, then `paintLatex` scales that bitmap into the authored box.
 *
 * Font size is the fitted size (not a CSS transform) so radical/fraction
 * rules snap at the painted size. `reconcile: true` pins inline/table-cell
 * boxes SnapDOM otherwise warns may re-wrap under font fallback.
 */
export declare const getLatexRaster: (element: PPTLatexElement, invalidate: () => void) => Raster | undefined;
/**
 * Typeset inline/display math at the painted font size and snapshot it.
 * The booth is `.fika-embed-root` so scoped MathLive CSS applies; a white
 * or empty capture falls back to readable TeX-ish text instead of a gap.
 */
export declare const getInlineMathRaster: (latex: string, fontSize: number, color: string, display: boolean, invalidate: () => void) => Raster | undefined;
export declare const hasPendingRasters: () => boolean;
export declare const clearSlideRasterResources: () => void;
export {};