This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 12]

CWikimedia\XMPReader\Info	This class is just a container for a big array used by Reader to determine which XMP items to extract
▼CLoggerAwareInterface
CWikimedia\XMPReader\Reader	Class for reading xmp data containing properties relevant to images, and spitting out an array that FormatMetadata accepts
CWikimedia\XMPReader\Validate	This contains some static methods for validating XMP properties