import { ChangeEvent, ReactNode } from 'react';
export interface OptionType {
    readonly var: string;
    readonly sbj: string;
}
export declare type MenuItemOption = {
    value: string | number;
    children: string | ReactNode;
    emptyLabel?: string | ReactNode;
};
declare type MenuGroups = {
    optionType: keyof OptionType;
    groupTitle: string;
    options: MenuItemOption[];
};
export interface GroupSelectProps {
    groups: MenuGroups[];
    value: unknown;
    onChange: (event: ChangeEvent<{
        name?: string;
        value: unknown;
    }>, child: ReactNode) => void;
    onOpen?: (event: object) => void;
    onClose?: (event: object) => void;
    variant?: 'standard' | 'outlined' | 'filled';
    multiple?: boolean;
}
export {};