public boolean matches(ConfigurableListableBeanFactory beanFactory, String beanName) {
    return beanFactory.isAutowireCandidate(beanName, this.descriptor);
  }
Definition of a Spring {@link Qualifier @Qualifier}.

original authors Phillip Webb, Stephane Nicoll
@see Definition
spock-spring/src/main/java/org/spockframework/spring/mock/QualifierDefinition.java