}

        public void release(ClassLoaderId loaderId) {
            if (usedBy.isEmpty()) {
                throw new IllegalStateException("Cannot release already released classloader: " + classLoader);
            }

            if (usedBy.remove(loaderId)) {
                if (usedBy.isEmpty()) {
                    if (parent != null) {
                        parent.release(loaderId);

        if (operationDescriptors.isEmpty() && internalJvmTestRequests.isEmpty() && tasksAndTests.isEmpty() && taskSpecs.isEmpty()) {
            throw new TestExecutionException("No test declared for execution.");
        }
        for (Map.Entry<String, List<InternalJvmTestRequest>> entry : tasksAndTests.entrySet()) {
            if (entry.getValue().isEmpty()) {

    }

    /**
     *
     */
    @Test
    public void testIsEmpty() {
        assertTrue(ArrayUtil.isEmpty((Object[]) null));
        assertTrue(ArrayUtil.isEmpty(new Object[] {}));
        assertFalse(ArrayUtil.isEmpty(new Object[] { "" }));
        assertFalse(ArrayUtil.isEmpty(new Object[] { "aaa" }));
    }

    /**
     * @throws Exception
     */
    @Test

        boolean attemptedToRemoveAnything = deleteRecursively(startTime, root, root, handling, failedPaths);
        if (!failedPaths.isEmpty()) {
            throwWithHelpMessage(startTime, root, handling, failedPaths, false);
        }
        return attemptedToRemoveAnything;
    }

        buffer.append((groupId != null && !groupId.isEmpty()) ? groupId : "[unknown-group-id]");
        buffer.append(':');
        buffer.append((artifactId != null && !artifactId.isEmpty()) ? artifactId : "[unknown-artifact-id]");
        buffer.append(':');
        buffer.append((version != null && !version.isEmpty()) ? version : "[unknown-version]");

        return buffer.toString();
    }

            FileTree testFiles = initSettings.getTarget().dir(subproject + "/src/test/" + language.getName()).getAsFileTree();
            return mainFiles.isEmpty() || testFiles.isEmpty();
        }, operations);
    }

    public TemplateOperation fromSourceTemplate(String clazzTemplate, String sourceSetName) {

     */
    public Set<UnresolvedDependency> collectLockingFailures() {
        if (dependencyLockingState.mustValidateLockState()) {
            if (!modulesToBeLocked.isEmpty() || !extraModules.isEmpty() || !forcedModules.isEmpty()) {
                lockOutOfDate = true;
                return createLockingFailures(modulesToBeLocked, extraModules, forcedModules);
            }
        }

     * and not their original types.
     * @return desugared attributes
     */
    public ImmutableAttributes desugar(ImmutableAttributes attributes) {
        if (attributes.isEmpty()) {
            return attributes;
        }
        return desugared.computeIfAbsent(attributes,  key -> {
            AttributeContainerInternal mutable = attributesFactory.mutable();

                return true;
            }
            if (wildcard || testName.equals(nodeName)) {
                return (namespaceURI == null || namespaceURI.isEmpty()) || (testPrefix == null || testPrefix.isEmpty());
            }
            return false;
        }
        if (test instanceof NodeTypeTest) {
            switch (((NodeTypeTest) test).getNodeType()) {

        generationPlans.put(generationPlan.getId(), generationPlan);
        return generationPlan;
    }

    private boolean isEmpty(String string) {
        return string == null || string.trim().length() == 0;
    }

    private boolean isNotEmpty(String string) {
        return !isEmpty(string);
    }