Class Summary Class Description BatchFinderWorkAbstract Work to find the ids of documents for which some process must be executed in batch, based on a NXQL query. BatchProcessorWorkAbstract Work to process a list of documents. CoreServiceService used to register version removal policies. CoreServiceOrphanVersionRemovalFilterDescriptorDescriptor for Core Service orphanVersionRemovalFilter extension point configuration. CoreServicePolicyDescriptorDescriptor for Core Service versionRemovalPolicy extension point configuration. NXCore Deprecated.