import * as React from "react";
import { IFilePondProps } from "../FilePond";
interface ICollectionProps {
    /** Required */
    total: number;
    available: number;
    renderItem: (index: number) => JSX.Element;
    identifyItem: (index: number) => string;
    /** Optional */
    onScrolledBottom?: () => void;
    scrolledBottomOffset?: number;
    renderHeader?: () => JSX.Element;
    uploader?: IFilePondProps;
}
export declare class Collection extends React.Component<ICollectionProps, {}> {
    bottomScrollRef: React.RefObject<HTMLDivElement>;
    observer: IntersectionObserver;
    constructor(props: any);
    componentDidMount(): void;
    componentDidUpdate(): void;
    componentWillUnmount(): void;
    render(): JSX.Element;
    private addIntersectionObserver;
    private removeIntersectionObserver;
}
export {};