How to use source model reuse in custom module custom field Email Sender in Magento 2.3.1

Question

How to use source model reuse in custom module custom field Email Sender in Magento 2.3.1

Magento\Config\Model\Config\Source\Email\Identity

Our custom module custom field like this

 $fieldset->addField(
        'email_sender',
        'select',
        ['name' => 'email_sender', 'label' => __('Email Sender'), 'title' => __('Email Sender'), 'required' => true]
    );