import React from 'react';
export interface IFilterSectionProps {
    heading: string;
    expanded?: boolean;
    helpKey?: string;
}
export interface IFilterSectionState {
    expanded: boolean;
}
export declare class FilterSection extends React.Component<IFilterSectionProps, IFilterSectionState> {
    constructor(props: IFilterSectionProps);
    getIcon(): "right" | "down";
    toggle: () => void;
    render(): JSX.Element;
}
