import * as React from 'react';
export interface RadioProps extends Omit<React.InputHTMLAttributes<HTMLInputElement>, 'size' | 'type'> {
    /** Radio label */
    label?: React.ReactNode;
    /** Helper text below the radio */
    helperText?: string;
    /** Error message */
    error?: string;
    /** Size variant */
    size?: 'sm' | 'md' | 'lg';
}
/**
 * Radio - Single selection control
 *
 * Accessible radio button with label and error states.
 * Use within a RadioGroup for managing multiple options.
 */
export declare const Radio: React.ForwardRefExoticComponent<RadioProps & React.RefAttributes<HTMLInputElement>>;
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