type FaviconValueKind = 'emoji' | 'color' | 'gradient' | 'icon' | 'svg';
declare function inferKind(value: unknown): FaviconValueKind;

type SvgValue = {
    svg: string;
};
type BuildFaviconSvgValue = string | string[] | SvgValue;
type BadgeContent = string | number;
type BadgePosition = 'top right' | 'top left' | 'bottom right' | 'bottom left';
type BadgeOption = boolean | BadgeContent | {
    content: BadgeContent;
    color?: string;
    position?: BadgePosition;
};
type BuildFaviconSvgOptions = {
    badge?: BadgeOption;
};
declare function buildFaviconSvg(kind: Exclude<FaviconValueKind, 'icon'>, value: BuildFaviconSvgValue, options?: BuildFaviconSvgOptions): string;

declare function setFaviconHref(href: string): void;

declare function useIsAway(): boolean;

declare function useIsDark(): boolean;

type RawSvgValue = {
    svg: string;
};
type FaviconValue = string | string[] | RawSvgValue;
type UseFaviconOptions = BuildFaviconSvgOptions;
declare function useFavicon(value: FaviconValue, options?: UseFaviconOptions): void;

export { type FaviconValue, type FaviconValueKind, type UseFaviconOptions, buildFaviconSvg, useFavicon as default, inferKind, setFaviconHref, useFavicon, useIsAway, useIsDark };