import { MaybeArray } from '../utils/array';
import { AddClassesArgs } from './create-dom-element';
import { MaybeReactive } from '../reactive/types';

export declare function formatClassesToArray(classOrClasses: string | string[]): string[];
export declare function getFormattedClasses(classes: MaybeArray<MaybeReactive<string>>): string[];
export declare function addClassToElement(element: HTMLElement, classes: AddClassesArgs): void;
export declare function mergeClasses(classes: AddClassesArgs, newClasses: AddClassesArgs): (string | import('../reactive').ReactiveValue<string | undefined> | undefined)[];