tachiyomi/app/src/main/res/values/keys.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="pref_category_reader_key">pref_category_reader_key</string>
    <string name="pref_category_accounts_key">pref_category_accounts_key</string>
    <string name="pref_category_downloads_key">pref_category_downloads_key</string>
    <string name="pref_fullscreen_key">pref_fullscreen_key</string>
    <string name="pref_default_viewer_key">pref_default_viewer_key</string>
    <string name="pref_download_directory_key">pref_download_directory_key</string>
</resources>