src/Models/D7Model.php
protected function fieldShouldNotBeSaved($field, $value, $selectedFields)
    {
        return (!empty($selectedFields) && !in_array($field, $selectedFields)) || $field === 'ID';
    }
protected function fieldShouldNotBeSaved($field, $value, $selectedFields)
    {
        return (!empty($selectedFields) && !in_array($field, $selectedFields)) || $field === 'ID';
    }
Determine whether the field should be stopped from passing to "update".

@param string $field
@param mixed  $value
@param array  $selectedFields

@return bool