types(Area): use tsx (#8140)

src/picker/index.tsx

@@ -12,9 +12,10 @@ import { useExpose } from '../composables/use-expose';
 // Components
 import Loading from '../loading';
 import Column, {
-  PickerOption,
   PickerColumn,
+  PickerOption,
   PickerObjectColumn,
+  PickerObjectOption,
 } from './PickerColumn';
 
 const [createComponent, bem, t] = createNamespace('picker');
@@ -27,6 +28,13 @@ export type PickerFieldNames = {
   children?: string;
 };
 
+export type {
+  PickerColumn,
+  PickerOption,
+  PickerObjectColumn,
+  PickerObjectOption,
+};
+
 export default createComponent({
   props: {
     ...pickerProps,