export interface FormHelperTextClasses {
    /** Class name applied to the root element. */
    root: string;
    /** Class name applied to the root element if `disabled={true}`. */
    disabled: string;
    /** State class applied to the root element if `error={true}`. */
    error: string;
    /** Class name applied to the root element if `size="small"`. */
    sizeSmall: string;
    /** Class name applied to the root element if `size="medium"`. */
    sizeMedium: string;
    /** Class name applied to the root element if `size="large"`. */
    sizeLarge: string;
}
export type FormHelperTextClassKey = keyof FormHelperTextClasses;
export declare function getFormHelperTextUtilityClass(slot: string): string;
declare const formHelperTextClasses: FormHelperTextClasses;
export default formHelperTextClasses;