import type { COMMENT, DECLARATION, IMPORT, KEYFRAMES, LAYER, NAMESPACE, RULESET } from "./enum.ts";
export type Element = {
	parent: Element | null;
	root: Element | null;
	value: string;
	length: number;
	return: string;
	line: number;
	column: number;
	siblings: Element[];
} & ({
	type: typeof COMMENT | typeof DECLARATION;
	children: string;
	props: string;
} | {
	type: typeof RULESET | typeof KEYFRAMES | typeof LAYER;
	children: Element[];
	props: string[];
} | {
	type: typeof IMPORT | typeof NAMESPACE;
	children: [];
	props: [];
});
export type Middleware = (element: Element, index: number, children: Element[], callback: Middleware) => string | void;
declare const _default: {};
export default _default;