export declare function isInternalUrl(href: string): boolean;
export declare function isUrl(text: string, options?: {
    requireHostname: boolean;
}): boolean;
export declare const creatingUrlPrefix = "creating#";
export declare function isExternalUrl(url: string): boolean;
export declare function sanitizeUrl(url: string | null | undefined): string | undefined;
export declare function urlRegex(url: string | null | undefined): RegExp | undefined;
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