@interface HDMedicalUserDomainConceptCollapser : HDUserDomainConceptCollapser + (id)mergeSubclassDataTo:(id)a0 fromDuplicateConcept:(id)a1; + (BOOL)preDeduplicationProcessingForUserDomainConcept:(id)a0 duplicateConcept:(id)a1 transaction:(id)a2 error:(id *)a3; @end