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<?xml version="1.0" encoding="UTF-8"?>
<checkstyle>
<file name="HelloWorld.php">
  <error line="5" column="1" severity="error" message="Parameter $date of method HelloWorld::sayHello() has invalid typehint type DateTimeImutable." />
  <error line="7" column="1" severity="error" message="Call to method format() on an unknown class DateTimeImutable." />
</file>
</checkstyle>