type BaseNode = { type: string; named: boolean; }; type ChildNode = { multiple: boolean; required: boolean; types: BaseNode[]; }; type NodeInfo = | (BaseNode & { subtypes: BaseNode[]; }) | (BaseNode & { fields: { [name: string]: ChildNode }; children: ChildNode[]; }); type Language = { name: string; language: unknown; nodeTypeInfo: NodeInfo[]; }; declare const language: Language; export = language;