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Impacts a few APIs some might use in scripts to do servlet-y things, but should be rare. IPRange in particular tends to be used with String conversions via Spring.
Moved net.shibboleth.utilities.java.support.httpclient → net.shibboleth.shared.httpclient
Used in some APIs but not likely by many deployers. One exception is the HttpClientSupport class which gets used in scripts to process response bodies, eg. in the HTTP data connector. To maintain compatibility, a stub with warnings was left behind.