private static final String TEST_STRING = "Hello World";
    private static final String UNICODE_STRING = "Hello 世界 🌍";
    private static final String ASCII_STRING = "ASCII Test";

    @Nested
    @DisplayName("Basic Encoding Methods")
    class BasicEncodingTests {

        @Test
        @DisplayName("getBytes should handle null string")
        void testGetBytesWithNull() {
            // When

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    /**
     * DFS storage state indicating active status
     */
    public static final int DFS_STORAGE_STATE_ACTIVE = 0x0004;

    /**
     * DFS information level 1 structure containing basic DFS entry information
     */
    public static class DfsInfo1 extends NdrObject {

        /**
         * Default constructor for DfsInfo1
         */
        public DfsInfo1() {
            // Default constructor

        assertTrue(length > 0);
        verify(mockDigest).sign(eq(buffer), eq(0), eq(length), eq(testBlock), any());
    }

    @Test
    @DisplayName("Test decode basic message")
    void testDecodeBasicMessage() throws SMBProtocolDecodingException {
        testBlock = new TestAndXServerMessageBlock(mockConfig, (byte) 0x25) {
            @Override

        public String getName() {
            return name;
        }

        public int getProcessCount() {
            return processCount;
        }
    }

    /**
     * Test basic Rule implementation
     */
    public void test_basicRuleImplementation() {
        TestResponseProcessor processor = new TestResponseProcessor("testProcessor");
        TestRule rule = new TestRule("rule1", processor, true);

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                defaultBind.encode_in(mockBuffer);
            }, "Should throw NullPointerException with default constructor values");
        }

        @Test
        @DisplayName("encode_in should write basic buffer operations")
        void testEncodeInBasicOperations() throws Exception {
            // Given
            int maxXmit = 1024;
            int maxRecv = 2048;

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    public static final int SMB2_LEASE_READ_WRITE     = 0x05;  // RW
    public static final int SMB2_LEASE_FULL           = 0x07;  // RWH
}
```

### 3.2 Lease Versions
- **Lease V1**: Basic lease support (SMB 3.0)
- **Lease V2**: Adds epoch support for better consistency (SMB 3.0.2+)

## 4. Data Structures

### 4.1 Lease Key Structure
```java
package jcifs.internal.smb2.lease;