/**
 * Creates the font string, which is used to set font on CanvasRenderingContext2D
 * @param fontStyle The font style
 * @param fontWeight The font weight
 * @param fontSize The font size in pixels
 * @param fontFamily The font family
 */
export declare const getFontString: (fontStyle: string, fontWeight: string, fontSize: number, fontFamily: string) => string;