lint/cli/src/test/java/com/android/tools/lint/checks/data/res/values/formatstrings.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="hello">Hello %1$s</string>
    <string name="hello2">Hello %1$s, %2$s?</string>
    <string name="missing">Hello %3$s World</string>
    <string name="score">Score: %1$d</string>
</resources>