Interface VTableLayout

interface VTableLayout {
    adjustingEntryPoints: readonly VTableLayout_EntryPoint[];
    baseSubVTTs: readonly VTableLayout_SubVTT[];
    constructionGroups: readonly VTableLayout_Group[];
    keyFunction: FunctionSymbol | undefined;
    main: VTableLayout_Group;
    tableVTTIndices: readonly number[];
    virtualBaseSubVTTs: readonly VTableLayout_SubVTT[];
    vtt: readonly VTableLayout_VTTEntry[];
}