This package provides many ways for developers to customise the behaviour.
You can override or add custom rules to the config as follows.
<?xml version="1.0"?>
<ruleset name="NewsUK WP PHPCS Rules">
<rule ref="NewsUK"/>
<!-- Overriding the existing text_domain -->
<rule ref="WordPress.WP.I18n">
<properties>
<property name="text_domain" type="array">
<element value="your_plugin_domain"/>
</property>
</properties>
</rule>
</ruleset>