/** The enforced letter case for attribute names. */
export type Value = 'lower' | 'upper';
/**
 * Rule that enforces consistent letter case for HTML attribute names.
 *
 * Reports attribute names that do not match the configured case (lower or upper)
 * on HTML elements. Foreign elements and case-sensitive attributes (per spec)
 * are excluded. Includes an auto-fix that converts attribute names to the
 * configured case.
 */
declare const _default: Readonly<import("@markuplint/ml-core").RuleSeed<Value, undefined>>;
export default _default;