import type { FormattedPrimitiveTypeCreator } from '../types.js';
/**
 * Checks whether a string is a valid navigable target name.
 *
 * @see https://html.spec.whatwg.org/multipage/document-sequences.html#valid-navigable-target-name
 *
 * > A valid navigable target name is any string with at least one character
 * > that does not contain both an ASCII tab or newline and a U+003C (<),
 * > and it does not start with a U+005F (_).
 * > (Names starting with a U+005F (_) are reserved for special keywords.)
 *
 */
export declare const isNavigableTargetName: FormattedPrimitiveTypeCreator;