diff --git a/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/stubs/StubArtifactCollector.java b/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/stubs/StubArtifactCollector.java
index b38ccab..3099a8a 100644
--- a/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/stubs/StubArtifactCollector.java
+++ b/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/stubs/StubArtifactCollector.java
@@ -51,7 +51,7 @@ public class StubArtifactCollector
     }
 
     public ArtifactResolutionResult collect( Set<Artifact> artifacts, Artifact originatingArtifact,
-                                             Map managedVersions, ArtifactResolutionRequest repositoryRequest,
+            Map<String, Artifact> managedVersions, ArtifactResolutionRequest repositoryRequest,
                                              ArtifactMetadataSource source, ArtifactFilter filter,
                                              List<ResolutionListener> listeners,
                                              List<ConflictResolver> conflictResolvers )
@@ -60,7 +60,7 @@ public class StubArtifactCollector
     }
 
     public ArtifactResolutionResult collect( Set<Artifact> artifacts, Artifact originatingArtifact,
-                                             Map managedVersions, ArtifactRepository localRepository,
+            Map<String, Artifact> managedVersions, ArtifactRepository localRepository,
                                              List<ArtifactRepository> remoteRepositories,
                                              ArtifactMetadataSource source, ArtifactFilter filter,
                                              List<ResolutionListener> listeners,
@@ -70,7 +70,7 @@ public class StubArtifactCollector
     }
 
     public ArtifactResolutionResult collect( Set<Artifact> artifacts, Artifact originatingArtifact,
-                                             Map managedVersions, ArtifactRepository localRepository,
+            Map<String, Artifact> managedVersions, ArtifactRepository localRepository,
                                              List<ArtifactRepository> remoteRepositories,
                                              ArtifactMetadataSource source, ArtifactFilter filter,
                                              List<ResolutionListener> listeners )
diff --git a/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/stubs/StubArtifactResolver.java b/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/stubs/StubArtifactResolver.java
index 77d3b32..ae98cb8 100644
--- a/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/stubs/StubArtifactResolver.java
+++ b/maven-plugin-testing-harness/src/main/java/org/apache/maven/plugin/testing/stubs/StubArtifactResolver.java
@@ -141,7 +141,7 @@ public class StubArtifactResolver
      * @see org.apache.maven.artifact.resolver.ArtifactResolver#resolveTransitively(java.util.Set, org.apache.maven.artifact.Artifact, java.util.Map, org.apache.maven.artifact.repository.ArtifactRepository, java.util.List, org.apache.maven.artifact.metadata.ArtifactMetadataSource)
      */
     public ArtifactResolutionResult resolveTransitively( Set<Artifact> artifacts, Artifact originatingArtifact,
-                                                        Map managedVersions, ArtifactRepository localRepository,
+            Map<String, Artifact> managedVersions, ArtifactRepository localRepository,
                                                         List<ArtifactRepository> remoteRepositories, ArtifactMetadataSource source )
         throws ArtifactResolutionException, ArtifactNotFoundException
     {
@@ -153,7 +153,7 @@ public class StubArtifactResolver
      * @see org.apache.maven.artifact.resolver.ArtifactResolver#resolveTransitively(java.util.Set, org.apache.maven.artifact.Artifact, java.util.Map, org.apache.maven.artifact.repository.ArtifactRepository, java.util.List, org.apache.maven.artifact.metadata.ArtifactMetadataSource, org.apache.maven.artifact.resolver.filter.ArtifactFilter)
      */
     public ArtifactResolutionResult resolveTransitively( Set<Artifact> artifacts, Artifact originatingArtifact,
-                                                        Map managedVersions, ArtifactRepository localRepository,
+            Map<String, Artifact> managedVersions, ArtifactRepository localRepository,
                                                         List<ArtifactRepository> remoteRepositories, ArtifactMetadataSource source,
                                                         ArtifactFilter filter )
         throws ArtifactResolutionException, ArtifactNotFoundException
@@ -166,7 +166,7 @@ public class StubArtifactResolver
      * @see org.apache.maven.artifact.resolver.ArtifactResolver#resolveTransitively(java.util.Set, org.apache.maven.artifact.Artifact, java.util.Map, org.apache.maven.artifact.repository.ArtifactRepository, java.util.List, org.apache.maven.artifact.metadata.ArtifactMetadataSource, org.apache.maven.artifact.resolver.filter.ArtifactFilter, java.util.List)
      */
     public ArtifactResolutionResult resolveTransitively( Set<Artifact> artifacts, Artifact originatingArtifact,
-                                                        Map managedVersions, ArtifactRepository localRepository,
+            Map<String, Artifact> managedVersions, ArtifactRepository localRepository,
                                                         List<ArtifactRepository> remoteRepositories, ArtifactMetadataSource source,
                                                         ArtifactFilter filter, List<ResolutionListener> listeners )
         throws ArtifactResolutionException, ArtifactNotFoundException