SwiftDocCOutOfProcessReferenceResolverOutOfProcessReferenceResolver.ResolvedInformationOutOfProcessReferenceResolver.ResolvedInformation.VarianttitleInstance PropertytitleThe title of the variant or nil if the title is the same as the resolved information.let title: Optional<String>DeprecatedThis type is only used in the outdated, and no longer recommended, version of the out-of-process external resolver communication protocol.