File buildSrcDir = new File(owner.getBuildRootDir(), SettingsInternal.BUILD_SRC);
        if (!BuildSrcDetector.isValidBuildSrcBuild(buildSrcDir)) {
            return;
        }

        BuildDefinition buildDefinition = buildStateFactory.buildDefinitionFor(buildSrcDir, owner);
        Path identityPath = assignPath(owner, buildDefinition.getName(), buildDefinition.getBuildRootDir());

            throw new UnsupportedOperationException();
        }

        @Override
        public File getBuildRootDir() {
            return getBuildServices().get(BuildDefinition.class).getBuildRootDir();
        }

        @Override
        public GradleInternal getMutableModel() {
            return gradle;
        }
    }

        AtomicReference<BuildState> match = new AtomicReference<>();
        buildStateRegistry.visitBuilds(buildState -> {
            if (buildState.isImportableBuild() && buildState.getBuildRootDir().equals(buildIdentity.getRootDir())) {
                match.set(buildState);
            }
        });
        if (match.get() != null) {
            return match.get();
        } else {

            // Use exact lookup rather than pattern matching
            RootBuildState rootBuild = buildRegistry.getRootBuild();
            if (rootDir.equals(rootBuild.getBuildRootDir())) {
                defaultBuild = rootBuild;
            } else {
                BuildState build = findIncludedBuild(rootDir);
                if (build == null) {

                ))
                .orElse(new WatchingNotSupportedVirtualFileSystem(root));
            listenerManager.addListener((BuildAddedListener) buildState -> {
                    File buildRootDir = buildState.getBuildRootDir();
                    virtualFileSystem.registerWatchableHierarchy(buildRootDir);
                }
            );
            return virtualFileSystem;
        }

        @Provides