import * as React from "react";
export declare enum TreadmillDirection {
    Vertical = 0
}
interface ITreadmillProps {
    direction: TreadmillDirection;
    panes: number;
    renderPane: (pane: number) => JSX.Element;
    /**
     * If true, CSS Snap will be applied
     */
    snap?: boolean;
    renderPrePane?: () => JSX.Element;
}
export declare class Treadmill extends React.Component<ITreadmillProps, {}> {
    ref: React.RefObject<HTMLDivElement>;
    observer: IntersectionObserver;
    constructor(props: any);
    componentDidMount(): void;
    componentWillUnmount(): void;
    render(): JSX.Element;
    private handleObserve;
}
export {};