Runtime Wiring attaching a fetcher to a query

gistfile1.txt

RuntimeWiring.newRuntimeWiring()
  .type("QueryType", wiring -> wiring
         .dataFetcher("company", new CompanyQuery(companies))
         .dataFetcher("companies", new CompaniesQuery(companies))
   )
   .type("MutationType", wiring -> wiring
          .dataFetcher("company", new CompanyMutation(companies))
          .dataFetcher("companyDelete", new CompanyDelete(companies))
   )
   .build();