// For coverage, we'll ensure the method doesn't throw MalformedURLException for a valid URL
        // and that it attempts to create an SmbFile.
        // We cannot directly mock `new SmbFile()`, so we rely on the fact that if it doesn't throw, it's working as expected.

        // This test primarily ensures that the wrapper correctly handles the MalformedURLException
        // and delegates the SmbFile creation.

        setField(session, "digest", null);
        when(transport.isSigningEnforced()).thenReturn(true);
        assertTrue(session.isSignatureSetupRequired());

        // Case 3: not enforced, rely on negotiate response flag
        when(transport.isSigningEnforced()).thenReturn(false);
        jcifs.internal.SmbNegotiationResponse nego = mock(jcifs.internal.SmbNegotiationResponse.class);

    }
    
    public ByteBuffer allocateBuffer(int size) {
        return ByteBuffer.allocateDirect(size);
    }
    
    public void releaseBuffer(ByteBuffer buffer) {
        // For direct buffers, we rely on GC
        // Could implement a more sophisticated buffer pool here
    }
    
    public void cleanup() {
        // Clean up all pooled regions
        RdmaMemoryRegion region;
        

            if ((n != byteCount) && (LogStream.level >= 5)) {
                log.println("byteCount=" + byteCount + " but readBytesWireFormat returned " + n);
            }
            // Don't think we can rely on n being correct here. Must use byteCount.
            // Last paragraph of section 3.13.3 eludes to this.

            bufferIndex += byteCount;
        }

        length = bufferIndex - start;

            if ((n != this.byteCount) && log.isTraceEnabled()) {
                log.trace("byteCount=" + this.byteCount + " but readBytesWireFormat returned " + n);
            }
            // Don't think we can rely on n being correct here. Must use byteCount.
            // Last paragraph of section 3.13.3 eludes to this.

            bufferIndex += this.byteCount;
        }

        final int len = bufferIndex - start;