import React from 'react';
import PropTypes from 'prop-types';
export interface ExpandIconProps {
    expandable?: boolean;
    expanded?: boolean;
    indentSize?: number;
    depth?: number;
    onExpand?: (expanded: boolean) => void;
    [key: string]: any;
}
/**
 * default ExpandIcon for BaseTable
 */
declare class ExpandIcon extends React.PureComponent<ExpandIconProps> {
    static defaultProps: {
        depth: number;
        indentSize: number;
    };
    static propTypes: {
        expandable: PropTypes.Requireable<boolean>;
        expanded: PropTypes.Requireable<boolean>;
        indentSize: PropTypes.Requireable<number>;
        depth: PropTypes.Requireable<number>;
        onExpand: PropTypes.Requireable<(...args: any[]) => any>;
    };
    constructor(props: ExpandIconProps);
    render(): React.JSX.Element | null;
    _handleClick(e: React.MouseEvent): void;
}
export default ExpandIcon;