return Collections.unmodifiableList(new MappedList<>(
                getMavenProject(project).getRemoteProjectRepositories(), session::getRemoteRepository));
    }

    @Override
    @Nonnull
    public List<RemoteRepository> getRemotePluginRepositories(@Nonnull Project project) {
        return Collections.unmodifiableList(

                .values()
                .stream()
                .map(MavenProject::getVersion)
                .collect(Collectors.collectingAndThen(Collectors.toList(), Collections::unmodifiableList));
        if (!versions.isEmpty()) {
            return versions;
        }
        return getAllProjects()
                .getOrDefault(artifact.getGroupId(), Collections.emptyMap())

            if (!artifacts.isEmpty()) {
                extensions.add(createExtension(extension, artifacts));
            }
        }

        return Collections.unmodifiableList(extensions);
    }

    private CoreExtensionEntry createExtension(CoreExtension extension, List<Artifact> artifacts) throws Exception {

            if (!artifacts.isEmpty()) {
                extensions.add(new LoadedCoreExtension(extension, createExtension(extension, artifacts)));
            }
        }

        return Collections.unmodifiableList(extensions);
    }

    private CoreExtensionEntry createExtension(CoreExtension extension, List<Artifact> artifacts) throws Exception {