export type SanitizeTerminalHrefOptions = Readonly<{
    allowFileUrls?: boolean;
}>;
export type SanitizeDomHrefOptions = Readonly<{
    allowRelative?: boolean;
}>;
export declare function isSafeRelativeHref(value: string): boolean;
export declare function sanitizeTerminalHref(value: unknown, options?: SanitizeTerminalHrefOptions): string | null;
export declare function sanitizeDomHref(value: unknown, options?: SanitizeDomHrefOptions): string | null;