Set<String> () { Set<String> result = ContainerUtil.newHashSet(MavenConstants.SCOPE_COMPILE, MavenConstants.SCOPE_PROVIDED, MavenConstants.SCOPE_RUNTIME, MavenConstants.SCOPE_TEST, MavenConstants.SCOPE_SYSTEM); for (MavenImporter each : MavenImporter.getSuitableImporters(this)) { each.getSupportedDependencyScopes(result); } return result; }