export interface FormControlUnstyledClasses {
    /** Class applied to the root element. */
    root: string;
    /** Class applied to the root element if `disabled={true}`. */
    disabled: string;
    /** Class applied to the root element if `error={true}`. */
    error: string;
    /** Class applied to the root element if the inner input has value. */
    filled: string;
    /** Class applied to the root element if the inner input is focused. */
    focused: string;
    /** Class applied to the root element if `required={true}`. */
    required: string;
}
export declare type FormControlUnstyledClassKey = keyof FormControlUnstyledClasses;
export declare function getFormControlUnstyledUtilityClass(slot: string): string;
declare const formControlUnstyledClasses: FormControlUnstyledClasses;
export default formControlUnstyledClasses;