in geronimo-opentracing-common/src/main/java/org/apache/geronimo/microprofile/opentracing/common/microprofile/client/GeronimoClientTracingRegistrarProvider.java [50:56]
public ClientBuilder configure(final ClientBuilder builder, final ExecutorService executorService) {
if (builder.getConfiguration().getInstances().stream().anyMatch(it -> requestFilter == it)) {
return builder;
}
return builder.register(requestFilter).register(responseFilter)
.executorService(wrapExecutor(executorService));
}