/**
 * Utility functions for RFC9110 Identifiers validation
 */
/**
 * Checks whether an absolute-form 'http' or 'https' request target has an
 * empty host in its authority component.
 *
 * WHATWG URL cannot represent an empty host for these schemes — parsing
 * either throws or folds the following path segment into the host — so the
 * raw target string has to be inspected before any URL parsing.
 *
 * @param target The raw request target URI
 * @returns true if the target is absolute-form http(s) with an empty host
 */
export declare function targetUriHasEmptyHost(target: string): boolean;
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