val lookupParent = scopeSpecs[parentId]
                require(lookupParent != null) {
                    "Cannot find parent $parentId for child scope $childId"
                }
                lookupParent
            }

            val child = ClassLoaderScopeSpec(parent, childId.name, origin)
            scopeSpecs[childId] = child
        }
    }

         */
        public Builder parent(BuildOperationRef parent) {
            this.parent = parent;
            return this;
        }

        public BuildOperationDescriptor build() {
            return build(null, null);
        }

        @Nullable
        BuildOperationRef getParentState() {
            return parent;
        }

        if (!this.propertiesFile.exists()) {
            final File parentDir = this.propertiesFile.getParentFile();
            if (!parentDir.exists()) {
                if (!parentDir.mkdir()) {
                    throw new FileAccessException("ECL0109", new Object[] { file.getAbsolutePath() });
                }
            } else if (!parentDir.isDirectory()) {

    ProgressStartEvent start(Long id, String status) {
        start(id: id, status: status)
    }

    ProgressStartEvent start(Map args) {
        Long parentId = args.containsKey("parentId") ? args.parentId : null
        OperationIdentifier parent = parentId ? new OperationIdentifier(parentId) : null
        Object buildOperationId = args.containsKey("buildOperationId") ? new OperationIdentifier(args.buildOperationId) : null

		}

		// Close parentFD
		if err = syscall.Close(parentFD); err != nil {
			return -1, fmt.Errorf("closing fd for %q failed: %v", filepath.Dir(currentPath), err)
		}
		// Set child to new parent
		parentFD = childFD
		childFD = -1
	}

	// We made it to the end, return this fd, don't close it
	finalFD := parentFD
	parentFD = -1

	return finalFD, nil

    public DefaultBuildPhaseDescriptor(BuildOperationDescriptor buildOperation, OperationIdentifier parentId, String buildPhase, int workItemCount) {
        super(
            buildOperation.getId(),
            buildOperation.getName(),
            buildOperation.getDisplayName(),
            parentId
        );
        this.buildPhase = buildPhase;
        this.workItemCount = workItemCount;
    }

        Set<TestIdentifier> result = new LinkedHashSet<>();
        Optional<String> parentId = testIdentifier.getParentId();
        while (parentId.isPresent()) {
            TestIdentifier parent = currentTestPlan.getTestIdentifier(parentId.get());
            result.add(parent);
            parentId = parent.getParentId();
        }
        return result;
    }

    @Nullable

// next returns the frame representing uf's logical caller.
func (u *inlineUnwinder) next(uf inlineFrame) inlineFrame {
	if uf.index < 0 {
		uf.pc = 0
		return uf
	}
	parentPc := u.inlTree[uf.index].parentPc
	return u.resolveInternal(u.f.entry() + uintptr(parentPc))
}

// isInlined returns whether uf is an inlined frame.
func (u *inlineUnwinder) isInlined(uf inlineFrame) bool {
	return uf.index >= 0
}

    @Override
    List<BuildOperationRecord> parentsOf(BuildOperationRecord child) {
        def parents = []
        def parentId = child.parentId
        while (parentId != null) {
            def parent = operations.records.get(parentId)
            parents.add(0, parent)
            parentId = parent.parentId
        }
        return parents
    }

    @Override
    void none(Pattern displayName) {

        });

        encoder.writeLong(request.getBuildOperation().getId().getId());
        OperationIdentifier parentId = request.getBuildOperation().getParentId();
        if (parentId != null) {
            encoder.writeBoolean(true);
            encoder.writeLong(parentId.getId());
        } else {
            encoder.writeBoolean(false);
        }
    }

    @Override