/** Rough width estimate per character for math content (px). */
export declare const MATH_CHAR_WIDTH = 10;
/** Default height for a single-line math expression (px). */
export declare const MATH_DEFAULT_HEIGHT = 24;
/** Minimum width for a math run (px). */
export declare const MATH_MIN_WIDTH = 20;
/**
 * Estimate math run dimensions from text content and OMML structure.
 * When ommlJson is provided, the height scales based on vertical stacking
 * (fractions, bars, limits, equation arrays).
 */
export declare function estimateMathDimensions(textContent: string, ommlJson?: unknown): {
    width: number;
    height: number;
};
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