@Deprecated
    public GraphqlServiceBuilder typeVisitors(Iterable<? extends GraphQLTypeVisitor> typeVisitors) {
        checkState(graphql == null, "graphql() and typeVisitors() are mutually exclusive.");
        if (this.typeVisitors == null) {
            this.typeVisitors = ImmutableList.builder();
        }
        this.typeVisitors.addAll(requireNonNull(typeVisitors, "typeVisitors"));
        return this;
    }
Adds the {@link GraphQLTypeVisitor}s.

@deprecated Use {@link #graphql(GraphQL)} instead. You can transform a {@link GraphQLSchema}
            using {@link SchemaTransformer#transformSchema(GraphQLSchema, GraphQLTypeVisitor)}.
            Then, set it to a {@link GraphQL.Builder}.
graphql/src/main/java/com/linecorp/armeria/server/graphql/GraphqlServiceBuilder.java