import { FileExtension, Mime } from "./mimes/mimes";
declare class HTTPGuard {
    /**
     * Checks if the provided value is a valid HTML string.
     *
     * @param value - The value to check.
     * @returns True if the value is a valid HTML string, otherwise false.
     * @since v1.0.0
     * @description
     * A valid HTML string is a string that contains at least one HTML tag.
     * The HTML tags are matched using a regex pattern.
     */
    isHTML(value: string): value is string;
    /**
     * Checks if the provided value is a valid MIME type.
     *
     * @param value - The value to check.
     * @returns True if the value is a valid MIME type, otherwise false.
     * @since v1.0.0
     * @description
     * A valid MIME type is a string that matches one of the predefined MIME types.
     */
    isMimeType(value: unknown): value is Mime;
    /**
     * Checks if the provided value is a valid file extension.
     *
     * @param value - The value to check.
     * @returns True if the value is a valid file extension, otherwise false.
     * @since v1.0.0
     * @description
     * A valid file extension is a string that matches one of the predefined file extensions.
     */
    isExtension(value: unknown): value is FileExtension;
    /**
     * Checks if the provided value is a valid URL.
     *
     * @param url - The value to check.
     * @returns True if the value is a valid URL, otherwise false.
     * @since v1.0.0
     * @description
     * The URL is validated by attempting to create a new URL object
     * with the provided value. If the value is not a valid URL, the
     * constructor will throw an error.
     */
    isValidURL(url: unknown): boolean;
    /**
     * Checks if the provided value is a valid email address.
     *
     * @param value - The value to check.
     * @returns True if the value is a valid email address, otherwise false.
     * @since v1.0.0
     * @description
     * The email address is validated by attempting to match it against a regular
     * expression. The regular expression is in the format of `/^[^\s@]+@[^\s@]+\.[^\s@]+$/i`.
     */
    isEmail(value: unknown): value is string;
}
declare const httpGuard: HTTPGuard;
export default httpGuard;