ClasspathResourceMetadataResolver.DynamicMetadataResolver.FileSystemResourceMetadataResolver.GroovyResourceMetadataResolver.SamlRegisteredServiceCacheKey.SamlRegisteredServiceMetadataResolutionPlan that allows modules to register
metadata resolvers dynamically.SamlRegisteredServiceMetadataResolutionPlanConfigurator, to be implemented
by modules that wish to register serializable classes into the plan.SamlRegisteredServiceMetadataResolverCacheLoader that uses Guava's cache loading strategy
to keep track of metadata resources and resolvers.UrlResourceMetadataResolver.