import { Styles } from '../styles/types';
export declare function isSelector(key: any): any;
/**
 * Render style props to complete Styled Components CSS.
 * @param styles - Complete style props.
 * @param responsive - A list of responsive zones
 * @param {string} [suffix]
 * @return {string}
 */
export declare function renderStyles(styles?: Styles, responsive?: number[], suffix?: string): any;