import { GraphQLSchema } from "graphql";
import { DiagnosticsWithoutLocationResult } from "../utils/DiagnosticError.js";
/**
 * We want to support a "getting started" experience where users can run `npx
 * grats` and let the error messages guide them to getting something working.
 *
 * So, even though an empty schema is technically valid, we treat it as an error
 * so we can provide the user with a helpful message teaching them about defining
 * types.
 */
export declare function validateSomeTypesAreDefined(schema: GraphQLSchema): DiagnosticsWithoutLocationResult<GraphQLSchema>;