import React, { CSSProperties, ReactNode, ReactNodeArray } from 'react';
import { TransitionProps } from 'react-transition-group/Transition';
export declare function getTransitionProps(props: any, options: any): {
    duration: any;
    delay: any;
};
export interface ExpansionPanelProps {
    title?: ReactNode;
    open?: boolean;
    orientation?: 'horizontal' | 'vertical';
    timeout?: TransitionProps['timeout'] | 'auto';
    children?: ReactNode | ReactNodeArray;
    className?: string;
    style?: CSSProperties;
    collapsedSize?: string | number;
    onClick?: () => void;
}
export declare const InternalExpansionPanel: React.ForwardRefRenderFunction<HTMLDivElement, ExpansionPanelProps>;
export declare const ExpansionPanel: React.ForwardRefExoticComponent<ExpansionPanelProps & React.RefAttributes<HTMLDivElement>>;
export default ExpansionPanel;