public ClientFactoryBuilder maxNumEventLoopsPerHttp1Endpoint(int maxNumEventLoopsPerEndpoint) {
        validateMaxNumEventLoopsPerEndpoint(maxNumEventLoopsPerEndpoint);
        maxNumEventLoopsPerHttp1Endpoint = maxNumEventLoopsPerEndpoint;
        return this;
    }
Sets the maximum number of {@link EventLoop}s which will be used to handle HTTP/1.1 connections
except the ones specified by {@link #maxNumEventLoopsFunction(ToIntFunction)}.
{@value DefaultEventLoopScheduler#DEFAULT_MAX_NUM_EVENT_LOOPS} is used by default.
core/src/main/java/com/linecorp/armeria/client/ClientFactoryBuilder.java