}

    /**
     * Verify that the message + rootCause constructor stores the root.
     */
    @Test
    @DisplayName("Message + root cause stores root cause")
    void testStringAndThrowableConstructor() {
        Throwable root = mock(Throwable.class);
        SmbException ex = new SmbException("oops", root);
        assertSame(root, ex.getRootCause());
    }

    /**

starting with its own and including everything up-to but not including the root. We don't need to
include root certificates because the client already has them.

```java
HandshakeCertificates serverHandshakeCertificates = new HandshakeCertificates.Builder()
    .heldCertificate(serverCertificate, intermediateCertificate.certificate())
    .build();
```

The client only needs to know the trusted root certificate. It checks the server's certificate by

        /**
         * @param root The root dependency
         * @return this request for chaining, never {@code null}
         */
        @Nonnull
        public DependencyResolverRequestBuilder root(@Nonnull DependencyCoordinates root) {
            this.root = root;
            return this;
        }

        /**

        void testGetRootCause() {
            Exception rootCause = new IllegalStateException("Test root cause");
            TransportException exception = new TransportException("Message", rootCause);

            assertEquals(rootCause, exception.getRootCause());
        }

        @Test
        @DisplayName("Should return null when no root cause")
        void testGetRootCauseWhenNull() {

        Element root = pomDocument.root();

        // Collect all repository containers to process
        Stream<Element> repositoryContainers = Stream.concat(
                // Root level repositories
                Stream.of(
                                root.child(REPOSITORIES).orElse(null),
                                root.child(PLUGIN_REPOSITORIES).orElse(null))

    /**
     * Wrap the specified root object, allowing the specified expression prefix.
     * @param prefix the prefix.
     * @param root the root of the graph.
     */
    public PrefixedObjectValueSource(String prefix, Object root) {
        super(new PrefixedValueSourceWrapper(new ObjectBasedValueSource(root), prefix));
    }

    /**
     * Wrap the specified root object, allowing the specified list of expression

        Element root = pomDocument.root();

        // Check if this POM has a parent
        Element parentElement = root.child(PARENT).orElse(null);
        if (parentElement == null) {
            return false;
        }

        // Apply limited inference (child groupId/version removal only)
        return trimParentElementLimited(context, root, parentElement);
    }

    /**

            root.attribute("xsi:schemaLocation", newSchemaLocation);
            context.detail("Updated xsi:schemaLocation");
        }
    }

    /**
     * Converts modules to subprojects for 4.1.0 compatibility using domtrip.
     */
    private void convertModulesToSubprojects(Editor editor, UpgradeContext context) {
        Element root = editor.root();
        if (root == null) {
            return;

    }

    /**
     * Constructs a new TransportException with the specified root cause.
     *
     * @param rootCause the root cause of this exception
     */
    public TransportException(final Throwable rootCause) {
        this.rootCause = rootCause;
    }

    /**
     * Constructs a new TransportException with the specified detail message and root cause.
     *
     * @param msg the detail message

            // Verify the plugin version was upgraded
            Editor editor = new Editor(document);
            Element root = editor.root();
            String version = root.path("build", "plugins", "plugin", "version")
                    .map(Element::textContentTrimmed)
                    .orElse(null);