private void Write()

in src/Microsoft.VisualStudio.Composition/Configuration/CachedCatalog.cs [292:349]
56 lines of code
10 McCabe index (conditional complexity)

            private void Write(IImportSatisfiabilityConstraint importConstraint)
            {
                using (this.Trace(nameof(IImportSatisfiabilityConstraint)))
                {
                    ConstraintTypes type;
                    if (importConstraint is ImportMetadataViewConstraint)
                    {
                        type = ConstraintTypes.ImportMetadataViewConstraint;
                    }
                    else if (importConstraint is ExportTypeIdentityConstraint)
                    {
                        type = ConstraintTypes.ExportTypeIdentityConstraint;
                    }
                    else if (importConstraint is PartCreationPolicyConstraint)
                    {
                        type = ConstraintTypes.PartCreationPolicyConstraint;
                    }
                    else if (importConstraint is ExportMetadataValueImportConstraint)
                    {
                        type = ConstraintTypes.ExportMetadataValueImportConstraint;
                    }
                    else
                    {
                        throw new NotSupportedException(string.Format(CultureInfo.CurrentCulture, Strings.ImportConstraintTypeNotSupported, importConstraint.GetType().FullName));
                    }

                    this.writer!.Write((byte)type);
                    switch (type)
                    {
                        case ConstraintTypes.ImportMetadataViewConstraint:
                            var importMetadataViewConstraint = (ImportMetadataViewConstraint)importConstraint;
                            this.WriteCompressedUInt((uint)importMetadataViewConstraint.Requirements.Count);
                            foreach (var item in importMetadataViewConstraint.Requirements)
                            {
                                this.Write(item.Key);
                                this.Write(item.Value.MetadatumValueTypeRef);
                                this.writer.Write(item.Value.IsMetadataumValueRequired);
                            }

                            break;
                        case ConstraintTypes.ExportTypeIdentityConstraint:
                            var exportTypeIdentityConstraint = (ExportTypeIdentityConstraint)importConstraint;
                            this.Write(exportTypeIdentityConstraint.TypeIdentityName);
                            break;
                        case ConstraintTypes.PartCreationPolicyConstraint:
                            var partCreationPolicyConstraint = (PartCreationPolicyConstraint)importConstraint;
                            this.Write(partCreationPolicyConstraint.RequiredCreationPolicy);
                            break;
                        case ConstraintTypes.ExportMetadataValueImportConstraint:
                            var exportMetadataValueImportConstraint = (ExportMetadataValueImportConstraint)importConstraint;
                            this.Write(exportMetadataValueImportConstraint.Name);
                            this.WriteObject(exportMetadataValueImportConstraint.Value);
                            break;
                        default:
                            throw Assumes.NotReachable();
                    }
                }
            }