import Stylis from "stylis";
import { CSSCompiler } from "./css-core";
declare const ContextTypes: {
    POST_PROCESS: -2;
    PREPARATION: -1;
    NEW_LINE: 0;
    PROPERTY: 1;
    SELECTOR_BLOCK: 2;
    AT_RULE: 3;
};
/** get union of object value types */
declare type ObjectValueTypes<T> = T[keyof T];
declare type StylisContext = ObjectValueTypes<typeof ContextTypes>;
/**
 * Implement custom CSS selectors for the child elements
 */
export declare function createSelectorsPlugin(): (context: StylisContext, content: string, selectors: string, parent: string, line: number, column: number, length: number) => string | undefined;
/**
 * Borrowed from https://github.com/thysultan/stylis.js/blob/4561e9bc830fccf1cb0e9e9838488b4d1d5cebf5/plugins/rule-sheet/index.js#L29
 */
export declare function createInsertRule(insertRule: (rule: string) => void): (context: StylisContext, content: string, selectors: string, parent: string, line: number, column: number, length: number, ns: number, depth: number, at: number) => string | undefined;
/**
 * Extend given Stylis instance to delimite CSS rules with a comment blocks and
 * add the element selector plugin
 */
export declare function adaptStylis(stylis: typeof Stylis): CSSCompiler;
export {};