return NULLABLE_ANNOTATIONS.any { method.hasAnnotation(it) }
    }

    private static boolean isNullableCtAnnotation(Object ann) {
        if (Proxy.isProxyClass(ann.class)) {
            def typeName = (Proxy.getInvocationHandler(ann) as AnnotationImpl).annotation.typeName
            return NULLABLE_ANNOTATIONS.any { it.name == typeName }
        }
        return false
    }

    val samplesCheck = "org.gradle.exemplar:samples-check"
    val snappy = "org.iq80.snappy:snappy"
    val servletApi = "javax.servlet:javax.servlet-api"
    val socksProxy = "com.github.bbottema:java-socks-proxy-server"
    val spock = "org.spockframework:spock-core"
    val spockJUnit4 = "org.spockframework:spock-junit4"
    val sshdCore = "org.apache.sshd:sshd-core"
    val sshdOsgi = "org.apache.sshd:sshd-osgi"