private int altPathOffset;
        private int nodeOffset;
        private String altPath;

        int ttl;
        String path = null;
        String node = null;

        int readWireFormat(final byte[] buffer, int bufferIndex, final int len) {
            final int start = bufferIndex;

            version = readInt2(buffer, bufferIndex);
            if (version != 3 && version != 1) {

            throw new IOException("invalid session request wire format");
        }
        bufferIndex += this.calledName.readWireFormat(buffer, bufferIndex);
        bufferIndex += this.callingName.readWireFormat(buffer, bufferIndex);
        return bufferIndex - start;
    }

        // Mock question name and its readWireFormat
        when(mockQuestionName.readWireFormat(any(byte[].class), anyInt())).thenReturn(10);
        NameServicePacket.writeInt2(NameServicePacket.NB, src, 12 + 10); // questionType
        NameServicePacket.writeInt2(NameServicePacket.IN, src, 12 + 10 + 2); // questionClass

        int read = packet.readWireFormat(src, 0);

        if (in.read(buffer, bufferIndex, length) != length) {
            throw new IOException("invalid session request wire format");
        }
        bufferIndex += calledName.readWireFormat(buffer, bufferIndex);
        bufferIndex += callingName.readWireFormat(buffer, bufferIndex);
        return bufferIndex - start;
    }

        final int start = dstIndex;
        dstIndex += writeHeaderWireFormat(dst, dstIndex);
        dstIndex += writeBodyWireFormat(dst, dstIndex);
        return dstIndex - start;
    }

    int readWireFormat(final byte[] src, int srcIndex) {
        final int start = srcIndex;
        srcIndex += readHeaderWireFormat(src, srcIndex);
        srcIndex += readBodyWireFormat(src, srcIndex);
        return srcIndex - start;

        final int start = dstIndex;
        dstIndex += writeHeaderWireFormat(dst, dstIndex);
        dstIndex += writeBodyWireFormat(dst, dstIndex);
        return dstIndex - start;
    }

    int readWireFormat(final byte[] src, int srcIndex) {
        final int start = srcIndex;
        srcIndex += readHeaderWireFormat(src, srcIndex);
        srcIndex += readBodyWireFormat(src, srcIndex);
        return srcIndex - start;

        this.length = writeTrailerWireFormat(dst, dstIndex + HEADER_LENGTH);
        writeHeaderWireFormat(dst, dstIndex);
        return HEADER_LENGTH + this.length;
    }

    int readWireFormat(final InputStream in, final byte[] buffer, final int bufferIndex) throws IOException {
        readHeaderWireFormat(in, buffer, bufferIndex);
        return HEADER_LENGTH + readTrailerWireFormat(in, buffer, bufferIndex);
    }

        // Encode type 0x20
        src[31] = 'C';
        src[32] = 'A';

        // No scope
        src[33] = 0x00;

        Name name = new Name(mockConfig);
        int length = name.readWireFormat(src, 0);

        assertEquals("TEST", name.name);
        assertEquals(0x20, name.hexCode);
        assertNull(name.scope);
        assertEquals(34, length);
    }

    @Test

        src[2] = 0x00; // Flags
        src[3] = 0x00; // Flags
        src[4] = 0x00;
        src[5] = 0x01; // Question count

        // Act
        int result = nodeStatusRequest.readWireFormat(src, 0);

        // Assert
        assertTrue(result >= NameServicePacket.HEADER_LENGTH);
    }

    @Test
    void integration_writeAndReadComplete() {
        // Arrange

        byte[] dst = new byte[100];
        packet.writeWireFormat(dst, 0);

        assertEquals((byte) 0x01, dst[1]); // Extended length bit should be set
    }

    @Test
    @DisplayName("readWireFormat should read header and trailer")
    void testReadWireFormat() throws IOException {
        byte[] data = new byte[50];
        data[0] = (byte) 0x85; // SESSION_KEEP_ALIVE
        data[1] = 0x00;