/**
 * Validates that passed string is valid URL of Bee.
 * We support only HTTP and HTTPS protocols.
 *
 * @param url
 */
export declare function isValidBeeUrl(url: unknown): url is URL;
/**
 * Validates that passed string is valid URL of Bee, if not it throws BeeArgumentError.
 * We support only HTTP and HTTPS protocols.
 * @param url
 * @throws BeeArgumentError if non valid URL
 */
export declare function assertBeeUrl(url: unknown): asserts url is URL;
/**
 * Removes trailing slash out of the given string.
 * @param url
 */
export declare function stripLastSlash(url: string): string;
