0--Aggregate.javaBest Practices281-../../TheseFoolishThings_Metrics/workspace/modules/Roles/src/main/java/it/tidalwave/role/Aggregate.javaEFE5C5951573D01E2338C8BDCEABF54C3030Unused import 'java.util.Collection'.pmdPMDit.tidalwave.role620NORMALAggregate.java(30,1): UnusedImports: Best Practices: Unused import 'java.util.Collection'.UnusedImports11 warning (normal: 1)