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

@deprecated Use {@link GraphQL.Builder} directly.
graphql/src/main/java/com/linecorp/armeria/server/graphql/GraphqlServiceBuilder.java