import type { FontManager } from './font-manager';
/**
 * Convert font weight
 * @param weight Font weight
 * @returns Normalized font weight
 */
export declare function normalizeFontWeight(weight?: string | number | null): string;
/**
 * Calculate SVG symbol scale ratio
 */
export declare function calculateSymbolScale(symbol: SVGElement): number;
/**
 * Symbol element in inline SVG
 */
export declare function inlineSvgSymbols(element: HTMLElement | SVGElement): void;
/**
 * Recursively process SVG element font attributes
 */
export declare function processSvgFonts(element: Element, fontManager: FontManager): void;
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