import * as React from 'react'; export interface ColProps extends React.HTMLProps { } export declare class Col extends React.Component { el: HTMLDivElement | null; render(): JSX.Element; } export interface RowProps extends React.HTMLProps { } export declare class Row extends React.Component { el: HTMLDivElement | null; render(): JSX.Element; } export interface ParallaxProps extends React.HTMLProps { } export declare class Parallax extends React.Component { render(): JSX.Element; } export interface DividerProps extends React.HTMLProps { } export declare class Divider extends React.Component { render(): JSX.Element; } export interface OverlayProps extends React.HTMLProps { } export declare class Overlay extends React.Component { state: { visible: boolean; }; el: HTMLDivElement | null; show(): void; open(): void; isVisible(): boolean; hide(): void; close(): void; render(): JSX.Element | null; }