import React from 'react';
import type { ChangeEvent } from 'react';
interface Labels {
    helpTextFor?: string;
}
/**
 * 3.0.0: Replaces previous type MdCheckboxGroupOptionProps.
 */
export interface MdCheckboxGroupOption {
    value: string;
    text?: string;
    disabled?: boolean;
}
export interface MdCheckboxGroupProps {
    options?: MdCheckboxGroupOption[];
    selectedOptions?: MdCheckboxGroupOption[];
    label?: string;
    labels?: Labels;
    id?: string;
    disabled?: boolean;
    direction?: 'horizontal' | 'vertical' | 'grid';
    columns?: number;
    className?: string;
    error?: boolean;
    /**
     * v6.0.0: Added `errorText` prop to display error messages, this is now required to set error state.
     */
    errorText?: string;
    helpText?: string;
    onChange?(_e: ChangeEvent<HTMLInputElement>): void;
    onBlur?(_e: React.FocusEvent<HTMLInputElement>): void;
    onFocus?(_e: React.FocusEvent<HTMLInputElement>): void;
}
export declare const MdCheckboxGroup: React.FunctionComponent<MdCheckboxGroupProps>;
export default MdCheckboxGroup;