export declare const isValidUrl: (url: string) => boolean;
export declare const sanitizeText: (text: string) => string;
export declare const normalizeUrlOrNull: (url: string) => string | null;
export declare const normalizeImageSrcOrNull: (src: string, options?: {
    publicPathPrefix?: string;
}) => string | null;
export declare const sanitizeSvg: (svg: string) => string;
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