message: Add `fields` argument to `GraphQLObjectResolver`
diff: -import { GraphQLResolveInfo } from "graphql";
  +import { GraphQLResolveInfo, FieldNode } from "graphql";
  export type GraphQLObjectResolver<TSource, TContext> = (
  source: TSource,
  + fields: Record<string, ReadonlyArray<FieldNode>>,
  context: TContext,
  info: GraphQLResolveInfo
  ) => any;
  