import * as React from 'react';
import { StandardProps } from '..';
import { CollapseProps } from '../transitions/Collapse';
import { PaperProps, PaperClassKey } from '../Paper';

export interface ExpansionPanelProps extends StandardProps<
  PaperProps,
  ExpansionPanelClassKey
> {
  CollapseProps?: React.ComponentType<CollapseProps>;
  defaultExpanded?: boolean;
  disabled?: boolean;
  expanded?: boolean;
  onChange?:  React.ReactEventHandler<{}>;
}

export type ExpansionPanelClassKey =
  | PaperClassKey
  | 'disabled'
  | 'expanded'
;

declare const ExpansionPanel: React.ComponentType<ExpansionPanelProps>;

export default ExpansionPanel;