return delegate;
  }

  /** Returns its input, or throws an exception if this is not a valid key. */
  @CanIgnoreReturnValue
  @ParametricNullness
  K checkKey(@ParametricNullness K key) {
    return key;
  }

  /** Returns its input, or throws an exception if this is not a valid value. */
  @CanIgnoreReturnValue
  @ParametricNullness
  V checkValue(@ParametricNullness V value) {
    return value;

        m.ptype = 0; // Request type
        NdrBuffer buf = new NdrBuffer(new byte[1024], 0);
        m.encode(buf);

        buf.setIndex(0);
        // Decode will throw exception as ptype 0 is not a valid response type
        assertThrows(NdrException.class, () -> m.decode(buf));
    }

    @Test
    void testRoundTripEncodeDecodeForResponseType() throws Exception {

    @Test
    public void test_isAcceptCookieLocale() {
        // Always returns false as per implementation
        assertFalse(provider.isAcceptCookieLocale());
    }

    // Test findBusinessLocale with valid locale parameter
    @Test
    public void test_findBusinessLocale_withValidLocale() {
        // Setup mock config
        FessConfig mockConfig = new FessConfig.SimpleImpl() {
            @Override

        writeTestFile("");

        OptionalEntity<CharMappingItem> result = charMappingFile.get(1L);
        assertFalse(result.isPresent());
    }

    // Test get method with valid data
    @Test
    public void test_get_validData() throws Exception {
        writeTestFile("a,b => c\nd,e => f\n");

        OptionalEntity<CharMappingItem> result1 = charMappingFile.get(1L);

	// MD5 checksum.
	ErrMissingCustomerKeyMD5 = Errorf("The SSE-C request is missing the customer key MD5")

	// ErrInvalidCustomerKey indicates that the SSE-C client key is not valid - e.g. not a
	// base64-encoded string or not 256 bits long.
	ErrInvalidCustomerKey = Errorf("The SSE-C client key is invalid")

	// ErrSecretKeyMismatch indicates that the provided secret key (SSE-C client key / SSE-S3 KMS key)

        assertThrows(SmbException.class, () -> new SMB1SigningDigest(mockTransport, mockAuth));
    }

    @Test
    @DisplayName("Test update method with valid data")
    void testUpdateWithValidData() {
        SMB1SigningDigest digest = new SMB1SigningDigest(testMacSigningKey);
        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04 };

pkg database/sql, type NullByte struct
pkg database/sql, type NullByte struct, Byte uint8
pkg database/sql, type NullByte struct, Valid bool
pkg database/sql, type NullInt16 struct
pkg database/sql, type NullInt16 struct, Int16 int16
pkg database/sql, type NullInt16 struct, Valid bool
pkg debug/elf, const SHT_MIPS_ABIFLAGS = 1879048234
pkg debug/elf, const SHT_MIPS_ABIFLAGS SectionType

    }

    // Test getQueryClassName method
    @Test
    public void test_getQueryClassName() {
        assertEquals("FuzzyQuery", fuzzyQueryCommand.getQueryClassName());
    }

    // Test execute method with valid FuzzyQuery
    @Test
    public void test_execute_withFuzzyQuery() {
        QueryContext context = new QueryContext("test", false);
        Term term = new Term("title", "fuzzy");

			continue
		}
		if parity != tt.expectedParity {
			t.Errorf("Test %d, Expected parity drives %d, got %d", i+1, tt.expectedParity, parity)
		}
	}
}

// Test IsValid method with valid and invalid inputs
func TestIsValidStorageClassKind(t *testing.T) {
	tests := []struct {
		sc   string
		want bool
	}{
		{"STANDARD", true},
		{"REDUCED_REDUNDANCY", true},
		{"", false},

            throw new FessSystemException("Failed to decode " + fileName, e);
        }
    }

    private boolean isValidVirtualHostPath(final String path) {
        // Empty path is valid (default host)
        if (StringUtil.isBlank(path)) {
            return true;
        }
        // Path must match one of the configured virtual host paths