import type { CustomSyntaxChecker } from '../types.js';
/**
 * Validates the `autocomplete` attribute value according to the WHATWG specification.
 *
 * Supports "on"/"off" keywords, optional named groups (`section-*`),
 * address parts (shipping/billing), contacting tokens, and autofill field names.
 *
 * @see https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#attr-fe-autocomplete
 */
export declare const checkAutoComplete: CustomSyntaxChecker;