import { default as React } from 'react';
import { BaseComponentProps, ComponentEvent, ListItem } from '../types';
interface RadioButtonProps extends BaseComponentProps, Omit<React.InputHTMLAttributes<HTMLInputElement>, 'onChange' | 'size' | 'type'> {
    checked?: boolean;
    onChange?: (event: ComponentEvent<string>) => void;
    label?: string;
    value?: string;
    required?: boolean;
    id?: string;
    tabIndex?: number;
}
export declare const RadioButton: React.ForwardRefExoticComponent<RadioButtonProps & React.RefAttributes<HTMLInputElement>>;
interface RadioButtonGroupProps extends BaseComponentProps {
    items: ListItem[];
    value?: string;
    onChange?: (event: ComponentEvent<string>) => void;
    required?: boolean;
    orientation?: 'horizontal' | 'vertical';
    ariaLabel?: string;
    ariaLabelledBy?: string;
    ariaDescribedBy?: string;
    invalid?: boolean;
}
type RadioGroupExtraAttributes = {
    'aria-describedby'?: string;
    'aria-invalid'?: boolean | 'true' | 'false';
};
export declare const RadioButtonGroup: React.FC<RadioButtonGroupProps & RadioGroupExtraAttributes>;
export {};