type alias GraphQLNullableTypeimport { type GraphQLNullableType } from "https://dotland.deno.dev/x/graphql_deno@v15.0.0/mod.ts"; These types can all accept null as a value. definition: | GraphQLScalarType | GraphQLObjectType | GraphQLInterfaceType | GraphQLUnionType | GraphQLEnumType | GraphQLInputObjectType | GraphQLList<any>