Pass in an empty array if the attribute is required, but we don't have one in the deserialization
Pass in an empty array if the attribute is required, but we don't have one in the deserialization

This is basically because the XML deserializer doesn't convert <tag/> tags into tag => [ ]

ioanrogers/aws-sdk-perl,ioanrogers/aws-sdk-perl,ioanrogers/aws-sdk-perl