ctxt.loader.SetAttrLocal(ctxt.mainInittasks, true)
	case BuildModeShared:
		// For a shared library, all packages are roots.
		var roots []string
		for _, lib := range ctxt.Library {
			roots = append(roots, fmt.Sprintf("%s..inittask", objabi.PathToPrefix(lib.Pkg)))
		}
		ctxt.mainInittasks = ctxt.inittaskSym(roots, "go:shlib.inittasks")
		// Make symbol local so multiple plugins don't clobber each other's inittask list.

            fileSystemAccess.read(
                root.getAbsolutePath(),
                new PatternSetSnapshottingFilter(patterns, stat)
            )
                .map(roots::add);
        }

        @Override
        public void visitFileTreeBackedByFile(File file, FileTreeInternal fileTree, FileSystemMirroringFileTree sourceTree) {

			if err != nil {
				t.Fatalf("failed to create certificate: %s", err)
			}
			root, err := ParseCertificate(rootDER)
			if err != nil {
				t.Fatalf("failed to parse certificate: %s", err)
			}
			roots := NewCertPool()
			roots.AddCert(root)

			_, err = root.Verify(VerifyOptions{Roots: roots, KeyUsages: tc.verifyEKUs})
			if err == nil && !tc.succeed {
				t.Error("verification succeed")

		},
		"secure, no roots": {
			TLSConfig:   &tls.Config{InsecureSkipVerify: false},
			ExpectError: "unknown authority|not trusted",
		},
		"secure with roots": {
			TLSConfig: &tls.Config{InsecureSkipVerify: false, RootCAs: roots},
		},
		"secure with mismatched server": {
			TLSConfig:   &tls.Config{InsecureSkipVerify: false, RootCAs: roots, ServerName: "bogus.com"},
			ExpectError: "not bogus.com",

				roots = append(roots, module.Version{Path: p, Version: v})
			}
		}
		gover.ModSort(roots)

		// First, we extend the graph so that it includes the selected version
		// of every root. The upgraded roots are in addition to the original
		// roots, so we will have enough information to trace a path to each
		// conflict we discover from one or more of the original roots.

            hash != null
            roots.size() == 1
            with(roots[0]) {
                path == file("a/build/libs/a.jar").absolutePath
                !containsKey("children")
            }
        }
        with(bCompileJava.stableSources) {
            hash != null
            roots.size() == 2
            with(roots[0]) {
                path == file("b/src/main/java").absolutePath

				nodes[lowest] = struct{}{}
			}
		}
	}

	// Sort roots by height. This makes the result deterministic
	// and also improves the error reporting.
	var roots []loader.Sym
	for k := range nodes {
		roots = append(roots, k)
	}
	sort.Slice(roots, func(i, j int) bool {
		h1, h2 := sc.height[roots[i]], sc.height[roots[j]]
		if h1 != h2 {
			return h1 > h2
		}
		// Secondary sort by Sym.

                    logOutputStream.close();
                }

                if (outputTree) {
                    List<BuildOperationRecord> roots = readLogToTreeRoots(logFile(basePath), false);
                    writeDetailTree(roots);
                    writeSummaryTree(roots);
                }
            } catch (IOException e) {
                throw UncheckedException.throwAsUncheckedException(e);
            }

            throw UnsupportedOperationException()

        override fun visitFileTree(root: File, patterns: PatternSet, fileTree: FileTreeInternal) {
            roots.add(DirectoryTreeSpec(root, patterns))
        }

        override fun visitFileTreeBackedByFile(file: File, fileTree: FileTreeInternal, sourceTree: FileSystemMirroringFileTree) {
            roots.add(toSpec(sourceTree))
        }
    }

    private

    List<BuildOperationRecord> getRoots() {
        operations.roots
    }

    @Override
    @SuppressWarnings("GrUnnecessaryPublicModifier")
    public <T extends BuildOperationType<?, ?>> BuildOperationRecord root(Class<T> type, Spec<? super BuildOperationRecord> predicate = Specs.satisfyAll()) {
        def detailsType = BuildOperationTypes.detailsType(type)
        def roots = operations.roots.findAll {