export declare const useFormField: (name: string) => { value: any; onChange: { (e: React.ChangeEvent): void; >(field: T): T extends React.ChangeEvent ? void : (e: string | React.ChangeEvent) => void; }; onBlur: { (e: React.FocusEvent): void; (fieldOrEvent: T): T extends string ? (e: any) => void : void; }; error: string | undefined; helpers: import("formik").FieldHelperProps; };