Class<?> utilClass = SmbEnumerationUtil.class;

            // Act
            Object unwrapped = invokePrivate(utilClass, "unwrapDOSFilter", new Class<?>[] { ResourceFilter.class }, wrapper);

            // Assert
            assertNotNull(unwrapped);
            assertTrue(unwrapped instanceof DosFileFilter);

            // Verify fields preserved (via reflection since they are protected)

        // Act & Assert
        // unwrap to interface itself should return same instance
        CredentialsInternal unwrapped = creds.unwrap(CredentialsInternal.class);
        assertNotNull(unwrapped, "unwrap to CredentialsInternal returns instance");
        assertSame(creds, unwrapped, "unwrap returns the same object instance");

        // unwrap to unrelated type should return null (use another Credentials implementation)

        void testUnwrapToDfsReferralData() {
            DfsReferralData unwrapped = referralData.unwrap(DfsReferralData.class);
            assertSame(referralData, unwrapped);
        }

        @Test
        @DisplayName("Should unwrap to DfsReferralDataInternal interface")
        void testUnwrapToDfsReferralDataInternal() {
            DfsReferralDataInternal unwrapped = referralData.unwrap(DfsReferralDataInternal.class);

    @DisplayName("unwrap returns self for assignable type; throws for incompatible and null")
    void testUnwrap() {
        // Happy path: unwrap to concrete type
        SmbPipeHandleImpl unwrapped = target.unwrap(SmbPipeHandleImpl.class);
        assertSame(target, unwrapped);

        // Incompatible type: expect ClassCastException
        class OtherPipeHandle implements SmbPipeHandle {
            @Override

     */
    @Test
    void testUnwrap() throws SmbException {
        SID sid = new SID(adminSidString);
        SID unwrapped = sid.unwrap(SID.class);
        assertNotNull(unwrapped);
        assertEquals(sid, unwrapped);

        assertThrows(ClassCastException.class, () -> sid.unwrap(String.class));
    }

    /**
     * Test the resolve method.
     *

        NbtAddress nbtAddress = new NbtAddress(mockName, testAddressInt, false, NbtAddress.H_NODE);
        NbtAddress unwrapped = nbtAddress.unwrap(NbtAddress.class);
        assertNotNull(unwrapped);
        assertSame(nbtAddress, unwrapped);

        // Test unwrap for incompatible type - NbtAddress implements NetbiosAddress so it should return itself

            signature = inspect.signature(call)
    return signature


def get_typed_signature(call: Callable[..., Any]) -> inspect.Signature:
    signature = _get_signature(call)
    unwrapped = inspect.unwrap(call)
    globalns = getattr(unwrapped, "__globals__", {})
    typed_params = [
        inspect.Parameter(
            name=param.name,
            kind=param.kind,
            default=param.default,

        // Happy path: unwrap to interface and concrete type
        SmbPipeHandle unwrapped1 = handle.unwrap(SmbPipeHandle.class);
        SmbPipeHandleImpl unwrapped2 = handle.unwrap(SmbPipeHandleImpl.class);
        assertSame(handle, unwrapped1);
        assertSame(handle, unwrapped2);

        // Invalid type
        class OtherPipeHandle implements SmbPipeHandle {
            @Override

        "/async-wrapped-endpoint/",
        "/wrapped-dependency-async-wrapper/",
        "/wrapped-gen-dependency-async-wrapper/",
        "/async-wrapped-dependency-async-wrapper/",
        "/async-wrapped-gen-dependency-async-wrapper/",
        "/wrapped-class-instance-dependency-async-wrapper/",
        "/wrapped-class-instance-async-dependency-async-wrapper/",
        "/wrapped-class-dependency-async-wrapper/",

        () -> new ClassSanityTester().doTestEquals(SetWrapper.class));
  }

  private abstract static class Wrapper {
    private final Object wrapped;

    Wrapper(Object wrapped) {
      this.wrapped = checkNotNull(wrapped);
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      // In general getClass().isInstance() is bad for equals.