/// <reference types="react" />
import * as React from 'react';
export interface IViewport {
    width: number;
    height: number;
}
export interface IWithViewportState {
    viewport?: IViewport;
}
export interface IWithViewportProps {
    skipViewportMeasures?: boolean;
}
export declare function withViewport<TProps extends {
    viewport?: IViewport;
}, TState>(ComposedComponent: new (props: TProps, ...args: any[]) => React.Component<TProps, TState>): any;