.thenReturn(logger);

            classRealmManager = newDefaultClassRealmManager(container);
            classRealm = classRealmManager.createProjectRealm(newTestModel(), newTestArtifactList());
        }

        assertEquals(classRealmManager.getMavenApiRealm(), classRealm.getParentClassLoader());

            return externalRepositories;
        } else {
            return new ArrayList<>();
        }
    }

    @Override
    public ProjectRealmCache.CacheRecord createProjectRealm(
            MavenProject project, Model model, ProjectBuildingRequest request) {
        return new ProjectRealmCache.CacheRecord(null, null);
    }

    @Override

     * @return The record with the project realm and extension artifact filter, never {@code null}.
     * @throws PluginResolutionException If any build extension could not be resolved.
     */
    ProjectRealmCache.CacheRecord createProjectRealm(MavenProject project, Model model, ProjectBuildingRequest request)
            throws PluginResolutionException, PluginVersionResolutionException, PluginManagerException;

    /**

     *            missing file) will automatically be excluded from the realm.
     * @return The new project realm, never {@code null}.
     */
    ClassRealm createProjectRealm(Model model, List<Artifact> artifacts);

    /**
     * Creates a new class realm for the specified build extension.
     *