_dst.align(4);
            _dst.enc_ndr_long(length);
            _dst.enc_ndr_short(impersonation_level);
            _dst.enc_ndr_small(context_mode);
            _dst.enc_ndr_small(effective_only);

        }

        @Override
        public void decode(final NdrBuffer _src) throws NdrException {
            _src.align(4);
            length = _src.dec_ndr_long();

            for (int i = contextHandle.length; i < 20; i++) {
                buf.enc_ndr_small(0);
            }
        } else {
            // Write 20 zero bytes for null context handle
            for (int i = 0; i < 20; i++) {
                buf.enc_ndr_small(0);
            }
        }
    }

    @Override

            // Pad to 4-byte boundary
            int padding = (4 - ((wideBytes.length + 2) % 4)) % 4;
            for (int i = 0; i < padding; i++) {
                buf.enc_ndr_small(0);
            }
        }
    }

    /**
     * Decodes a wide string pointer from NDR format.
     *
     * @param buf the NDR buffer
     * @return the decoded string (or null if NULL pointer)

                _dst.advance(1 * _security_descriptors);

                _dst = _dst.derive(_security_descriptori);
                for (int _i = 0; _i < _security_descriptors; _i++) {
                    _dst.enc_ndr_small(security_descriptor[_i]);
                }
            }
        }

        @Override
        public void decode(NdrBuffer _src) throws NdrException {
            _src.align(4);

    }

    @Test
    void testEncDecNdrSmall() {
        ndrBuffer.enc_ndr_small(0xAB);
        assertEquals(1, ndrBuffer.getIndex());
        assertEquals(1, ndrBuffer.getLength());
        assertEquals((byte) 0xAB, buffer[0]);

        ndrBuffer.setIndex(0); // Reset index for reading
        int val = ndrBuffer.dec_ndr_small();
        assertEquals(0xAB, val);
        assertEquals(1, ndrBuffer.getIndex());

                _dst.advance(1 * _security_descriptors);

                _dst = _dst.derive(_security_descriptori);
                for (int _i = 0; _i < _security_descriptors; _i++) {
                    _dst.enc_ndr_small(this.security_descriptor[_i]);
                }
            }
        }

        @Override
        public void decode(NdrBuffer _src) throws NdrException {
            _src.align(4);