in geronimo-opentracing-common/src/main/java/org/apache/geronimo/microprofile/opentracing/common/spi/Container.java [25:31]
static Container get() {
final Iterator<Container> iterator = ServiceLoader.load(Container.class).iterator();
if (!iterator.hasNext()) {
throw new IllegalArgumentException("No implementation of Container found");
}
return iterator.next();
}