```java
// In Smb2CreateRequest.java
public void addLeaseContext(Smb2LeaseKey key, int requestedState, boolean isV2) {
    Smb2LeaseContext leaseContext = new Smb2LeaseContext();
    leaseContext.setLeaseKey(key);
    leaseContext.setLeaseState(requestedState);
    if (isV2) {
        leaseContext.setEpoch(1);
        // Set parent lease key if available
    }
    addCreateContext(leaseContext);
}

            // When
            InputStream is1 = mockResource.openInputStream();
            InputStream is2 = mockResource.openInputStream(1);
            InputStream is3 = mockResource.openInputStream(1, 2, 3);

            // Then
            assertNotNull(is1, "Default input stream should not be null");
            assertNotNull(is2, "Input stream with sharing should not be null");