import { ContrastReverseLabelTransform } from '../spec';
import { LabelTransformComponent as LLC } from '../runtime';
export type ContrastReverseOptions = Omit<ContrastReverseLabelTransform, 'type'>;
/**
 * Reverse the label color when the contrast is lower then `threshold`.
 * The default value of `threshold` is 4.5.
 * More about contract, see https://webaim.org/resources/contrastchecker/
 */
export declare const ContrastReverse: LLC<ContrastReverseOptions>;