SwiftDocCOutOfProcessReferenceResolverOutOfProcessReferenceResolver.RequestV2OutOfProcessReferenceResolver.RequestV2.symbol(_:)CaseOutOfProcessReferenceResolver.RequestV2.symbol(_:)A request to resolve a symbol based on its precise identifier.case symbol(String)DiscussionYour external resolver should respond with either:a OutOfProcessReferenceResolver.ResponseV2.resolved(_:) message, with information about the requested symbol.an empty OutOfProcessReferenceResolver.ResponseV2.failure(_:) message. DocC doesn’t display any diagnostics about failed symbol requests because they wouldn’t be actionable; because they’re entirely automatic—based on unique identifiers in the symbol graph files—rather than authored references in the content.