/// <reference types="react" />
import * as React from "react";
export interface HeaderScrollingProps {
    classNames: {
        scrolling: string;
        deployed: string;
        undeployed: string;
    };
    notifySizeChange?: (isDeployed?: boolean) => void;
    scrollTargetSelector?: string;
}
export declare class HeaderScrolling extends React.Component<HeaderScrollingProps, void> {
    deployThreshold: number;
    isDeployed: boolean;
    placeholderHeight: number;
    private header?;
    private reaction;
    private scrollTargetNode;
    scrollPosition(domNode?: Element): {
        top: number;
        left: number;
    };
    getScrollingElement(): Element;
    scrollTo(element: Element, to: number): void;
    componentWillMount(): void;
    componentDidMount(): void;
    componentWillUnmount(): void;
    notifySizeChange(): void;
    handleScroll(_?: Event, canDeploy?: boolean): void;
    render(): JSX.Element;
}