/** Array of method parameter types */
    protected final Class<?>[] parameterTypes;

    /** The return type of the method */
    protected final Class<?> returnType;

    /** Information about parameterized argument types */
    protected final ParameterizedClassDesc[] parameterizedClassDescs;

    /** Information about the parameterized return type */
    protected final ParameterizedClassDesc parameterizedClassDesc;

    /**

        RequestParam rp = RequestParam.NO_RETRY;

        // Act: pass to the collaborator
        consumer.accept(rp);

        // Assert: interaction happened exactly once with correct argument; no other calls
        verify(consumer, times(1)).accept(RequestParam.NO_RETRY);
        verifyNoMoreInteractions(consumer);
    }

    }

    /**
     * Test getRootCause() method (deprecated).
     */
    @Test
    void testGetRootCause() {
        Throwable cause = new IllegalArgumentException("Invalid argument.");
        DcerpcException exception = new DcerpcException("Error with cause.", cause);
        assertEquals(cause, exception.getRootCause(), "getRootCause() should return the original cause.");
    }

    /**

    class ParameterizedInit {
        static Stream<Arguments> validRanges() {
            byte[] src = new byte[] { 0, 1, 2, 3 };
            return Stream.of(Arguments.of(src, 0, 0, new byte[] {}), Arguments.of(src, 0, 4, new byte[] { 0, 1, 2, 3 }),
                    Arguments.of(src, 1, 2, new byte[] { 1, 2 }), Arguments.of(src, 3, 1, new byte[] { 3 }));
        }

        @Override
        public SSPContext createContext(CIFSContext tc, String targetDomain, String host, byte[] initialToken, boolean doSigning)
                throws SmbException {
            // Validate required argument and interact with the provided CIFSContext
            if (tc == null) {
                throw new NullPointerException("tc");
            }
            // Exercise interaction with dependency for verification purposes

        // Mock successful but empty response
        when(treeHandle.send(any(), any(), (RequestParam[]) any())).thenAnswer(invocation -> {
            // The response is the second argument
            Object response = invocation.getArgument(1);
            // Return it unchanged (which will have default values = empty results)
            return response;
        });

        verify(locator).handleDFSReferral(referral, null);
        verifyNoMoreInteractions(locator);
    }

    // Interaction detail: capture arguments passed to handleDFSReferral
    @Test
    @DisplayName("handleDFSReferral receives the exact arguments via captor")
    void handleDfsReferralArgumentCapture() {
        when(locator.handleDFSReferral(any(), any())).thenReturn("ok");
        String req = "some/path";

        assertNull(transport.getServerEncryptionKey());
    }

    // Happy path: session retrieval by context
    @Test
    @DisplayName("getSmbSession(ctx) returns a session and verifies argument")
    void getSmbSession_byContext() {
        when(transport.getSmbSession(any(jcifs.CIFSContext.class))).thenReturn(session);
        SmbSession result = transport.getSmbSession(ctx);
        assertSame(session, result);

     */
    public static String url(final String input) {
        if (input == null) {
            final String msg = "The argument 'input' should not be null.";
            throw new IllegalArgumentException(msg);
        }
        if (!input.startsWith("/")) {
            final String msg = "The argument 'input' should start with slash '/': " + input;
            throw new IllegalArgumentException(msg);
        }

        exception.expectMessage(is("[ECL0008]argument[src] is null."));
        BeanUtil.copyMapToBean(null, new Object());
    }

    /**
     *
     */
    @Test
    public void testCopyBeanToMap_DestNull() {
        exception.expect(NullArgumentException.class);
        exception.expectMessage(is("[ECL0008]argument[dest] is null."));
        BeanUtil.copyBeanToMap(new Object(), null);
    }