import SVGO from 'svgo';
export interface RuleGroup {
    selector: string;
    rules: Map<string, string>;
}
export declare function parseCSS(css: string): RuleGroup[] | null;
/**
 * SVGO plugin that converts style sheet definintions to element attributes.
 * @see https://github.com/svg/svgo/blob/master/plugins/reusePaths.js
 */
export declare const convertStyleDefToAttrs: SVGO.Plugin<SVGO.SyntaxTree, void>;