callSetterOnReinitialize property
Invoke onChangeValidValue when value-getter that passed as first argument changes its underlying value.
Вызывать onChangeValidValue при каждом изменении результата функции-геттера из первого аргумента.
const model = observable({ value: 123 });
new FormControl(
  () => model.value,
  [],
  value => { console.log({ value }); },
  { callSetterOnReinitialize: true }
);
model.value = 456; // then we see { value: 456 } in console
Implementation
final bool callSetterOnReinitialize;