}

        @Override
        public Path getIdentityPath() {
            return Path.ROOT;
        }

        @Override
        public boolean isImplicitBuild() {
            return false;
        }

        @Override
        public Path calculateIdentityPathForProject(Path projectPath) {
            return projectPath;
        }

        @Override

            nestedBuildsByRootDir.put(buildDir, includedBuild);
            pendingIncludedBuilds.add(includedBuild);
            addBuild(includedBuild);
        } else {
            if (includedBuild.isImplicitBuild() != isImplicit) {
                throw new IllegalStateException("Unexpected state for build.");
            }
            // TODO: verify that the build definition is the same
        }