/**
* @license Copyright (c) 2003-2026, CKSource Holding sp. z o.o. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
*/
import { StylesMap, type StylesProcessor } from "@ckeditor/ckeditor5-engine";
import { type CSSVariablesMap } from "./exportinlinestylescssvariables.js";
/**
* Processes raw stylesheets from various sources and converts them into parsed CSS rules.
* This function combines stylesheets from external files and inline CSS, filters out empty entries,
* and converts the raw CSS text into parsed CSS rules.
*
* **NOTE:**
*
* 	1. The order of the stylesheets matters.
* 	2. The rules from the last stylesheet have the highest priority.
*
* @param options Configuration options containing stylesheet paths and inline CSS.
* @returns A promise that resolves to an array of parsed CSS rules and a map of root CSS variables.
*/
export declare function collectAndProcessStylesheets(options: {
	stylesProcessor: StylesProcessor;
	stylesheets?: Array<string>;
	inlineCss?: string;
}): Promise<{
	parsedCssRules: Array<ParsedCSSRule>;
	rootCssVariables: CSSVariablesMap;
}>;
/**
* Represents a flattened CSS rule with its selector and style information.
*/
export type ParsedCSSRule = {
	/**
	* A single CSS selector extracted from potentially comma-separated selectors.
	* For example, for `h1, h2 { color: red }`, there would be two separate rules with `h1` and `h2` as flatSelector.
	*/
	flatSelector: string;
	/**
	* A map of styles extracted from the CSS rule.
	*/
	stylesMap: StylesMap;
};