SwiftDocCRenderHierarchyChapterStructureRenderHierarchyChapterA hierarchy tree node that represents a chapter in a tutorial series.struct RenderHierarchyChapterTopicsInitializersinit(from: any Decoder) throwsinit(identifier: RenderReferenceIdentifier)Creates a new hierarchy chapter.Instance Propertiesvar reference: RenderReferenceIdentifierThe topic reference for the chapter.var tutorials: [RenderHierarchyTutorial]The tutorials in the chapter.Instance Methodsfunc encode(to: any Encoder) throws