SwiftDocCRenderTileRenderTile.IdentifierEnumerationRenderTile.IdentifierPredefined semantic tile identifiers.enum IdentifierTopicsEnumeration Casescase documentationIdentifies a tile that links to documentation.case downloadsIdentifies a tile that links to downloads.case featuredIdentifies a tile that links to featured content.case forumsIdentifies a tile that links to forum topics.case sampleCodeIdentifies a tile that links to sample code.case videosIdentifies a tile that links to videos.Initializersinit?(rawValue: String)