assertEquals("FILE_SERVER_WITNESS", WitnessServiceType.FILE_SERVER_WITNESS.toString());
        assertEquals("SCALE_OUT_WITNESS", WitnessServiceType.SCALE_OUT_WITNESS.toString());
        assertEquals("DFS_WITNESS", WitnessServiceType.DFS_WITNESS.toString());

        assertEquals("VERSION_1", WitnessVersion.VERSION_1.toString());
        assertEquals("VERSION_2", WitnessVersion.VERSION_2.toString());

    /**
     * Scale-out file server witness for scale-out deployments
     */
    SCALE_OUT_WITNESS,

    /**
     * DFS namespace witness for distributed file system resources
     */
    DFS_WITNESS

```java
public enum WitnessServiceType {
    CLUSTER_WITNESS,     // Cluster-aware witness service
    FILE_SERVER_WITNESS, // Individual file server witness
    SCALE_OUT_WITNESS,   // Scale-out file server witness
    DFS_WITNESS         // DFS namespace witness
}

public enum WitnessVersion {
    VERSION_1(0x00010001),  // Windows Server 2012
    VERSION_2(0x00020000);  // Windows Server 2012 R2+
    
    private final int version;