SwiftDocCRenderHierarchyLandmarkStructureRenderHierarchyLandmarkA hierarchy tree node that represents a landmark on a page.struct RenderHierarchyLandmarkTopicsInitializersinit(from: any Decoder) throwsinit(reference: RenderReferenceIdentifier, kind: RenderHierarchyLandmark.Kind)Creates a new hierarchy landmark.Instance Propertiesvar kind: RenderHierarchyLandmark.KindThe kind of landmark.var reference: RenderReferenceIdentifierThe topic reference for the landmark.Enumerationsenum KindThe kind of a landmark.