SwiftDocCRenderRelationshipsGroupStructureRenderRelationshipsGroupA structure holding the information about a given group of references. The group can have a title and an abstract that can be rendered if necessary.struct RenderRelationshipsGroupTopicsInitializersinit(name: String?, abstract: String?, references: [TopicRenderReference], referencesAreNested: BooleanLiteralType)Instance Propertieslet abstract: String?The optional abstract of the group of references.let name: String?The optional name of the group of references.let references: [TopicRenderReference]The TopicRenderReferencesrelated to the RenderNode.let referencesAreNested: BoolIndicates if the group should nest sub-references or not. Default: false.