Interface AbstractControlOptions<T, E>

interface AbstractControlOptions<T = any, E extends NgValidationErrors = any> {
    asyncValidators?:
        | null
        | AsyncValidatorFn<T, E>
        | AsyncValidatorFn<T, E>[];
    updateOn?: "change" | "blur" | "submit";
    validators?: null | ValidatorFn<T, E> | ValidatorFn<T, E>[];
}