import * as React from "react";
import * as PropTypes from "prop-types";
export interface ExpandContext<TState = any> {
    changeExpandState: (key: string, open?: boolean, state?: TState) => () => void;
    isExpanded: (key: string) => boolean;
    getState: (key: string) => TState;
}
export declare const ExpandContextTypes: {
    changeExpandState: PropTypes.Validator<any>;
    isExpanded: PropTypes.Validator<any>;
    getState: PropTypes.Validator<any>;
};
export interface ExpandControllerState {
    expanded: {
        [key: string]: boolean;
    };
    state: {
        [key: string]: any;
    };
}
export declare class ExpandController extends React.Component<{}, ExpandControllerState> {
    static readonly childContextTypes: {
        changeExpandState: PropTypes.Validator<any>;
        isExpanded: PropTypes.Validator<any>;
        getState: PropTypes.Validator<any>;
    };
    readonly state: {
        expanded: {};
        state: {};
    };
    getChildContext(): ExpandContext;
    componentDidMount(): void;
    componentWillUnmount(): void;
    render(): React.ReactNode;
    protected getExpandOpenHandler: ExpandContext["changeExpandState"];
    protected isExpanded: ExpandContext["isExpanded"];
    protected getExpandState: (key: string) => any;
    protected handleDocumentClick: (event: any) => void;
}