int maxXmit = 1024;
            int maxRecv = 2048;
            when(mockHandle.getMaxXmit()).thenReturn(maxXmit);
            when(mockHandle.getMaxRecv()).thenReturn(maxRecv);

            // Use lenient stubbing to handle multiple calls
            lenient().doNothing().when(mockBuffer).enc_ndr_short(anyInt());
            lenient().doNothing().when(mockBuffer).enc_ndr_long(anyInt());

        lenient().when(mockDeferredNdrBuffer.derive(anyInt())).thenReturn(mockDeferredNdrBuffer);

        // Set up lenient stubs for common operations to avoid unnecessary stubbing exceptions
        lenient().when(mockNdrBuffer.getIndex()).thenReturn(0);
        lenient().when(mockDeferredNdrBuffer.getIndex()).thenReturn(0);
        // Mock the index field access
        mockDeferredNdrBuffer.index = 0;