setGridRef and onReady not working in Typescript about reactdatagrid HOT 2 CLOSED

const [gridRef, setGridRef] = useState<MutableRefObject<TypeComputedProps | null> | null>(null);

onReady?: (ref: MutableRefObject<TypeComputedProps | null>) => void

const [
    gridRef,
    setGridRef
  ] = useState<MutableRefObject<TypeComputedProps | null> | null>(null);

const [
    gridRef,
    setGridRef
  ] = useState<MutableRefObject<TypeComputedProps | null>>({current: null});