/** Canonical class on typeset math wrappers. Kept here so text-fit can stay MathLive-free. */
export declare const MATH_CLASS = "fika-math";
export declare function htmlHasFikaMath(html: string): boolean;
/** Readable stand-in when a math raster has not arrived yet. Never leave a blank chip. */
export declare function latexFallbackText(latex: string): string;
/** Fallback box when MathLive is not loaded yet — wide enough to reserve wrap space. */
export declare function estimateInlineMathBox(latex: string, fontSize: number, display: boolean): {
    width: number;
    height: number;
};
/**
 * Unstyled MathLive HTML collapses to a sliver (a few px wide, many em tall).
 * Stretching that box onto the canvas is what turns table snapshots into bars.
 */
export declare function isPlausibleInlineMathBox(box: {
    width: number;
    height: number;
}, fontSize: number, estimate: {
    width: number;
    height: number;
}): boolean;