@Override
    protected int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt2(49, dst, dstIndex);
        final int dataOffsetOffset = dstIndex + 2;
        dstIndex += 4;
        SMBUtil.writeInt4(this.dataLength, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt8(this.offset, dst, dstIndex);
        dstIndex += 8;

        dst[dstIndex++] = (byte) val;
        dst[dstIndex++] = (byte) (val >> 8);
        dst[dstIndex++] = (byte) (val >> 16);
        dst[dstIndex++] = (byte) (val >> 24);
        dst[dstIndex++] = (byte) (val >> 32);
        dst[dstIndex++] = (byte) (val >> 40);
        dst[dstIndex++] = (byte) (val >> 48);
        dst[dstIndex++] = (byte) (val >> 56);
    }

        assertEquals((byte) 0x56, dst[1]);
        assertEquals((byte) 0x34, dst[2]);
        assertEquals((byte) 0x12, dst[3]);

        // Test with max value for 4 bytes
        SMBUtil.writeInt4(0xFFFFFFFFL, dst, 4);
        assertEquals((byte) 0xFF, dst[4]);
        assertEquals((byte) 0xFF, dst[5]);
        assertEquals((byte) 0xFF, dst[6]);
        assertEquals((byte) 0xFF, dst[7]);

        byte[] dst = new byte[10];
        int dstIndex = 0;

        // When
        int bytesWritten = trans2GetDfsReferral.writeSetupWireFormat(dst, dstIndex);

        // Then
        assertEquals(2, bytesWritten);
        assertEquals(SmbComTransaction.TRANS2_GET_DFS_REFERRAL, dst[0]);
        assertEquals((byte) 0x00, dst[1]);
    }

    @Test

        dstIndex += 2;
        writeInt2(informationLevel, dst, dstIndex);
        dstIndex += 2;
        writeInt4(resumeKey, dst, dstIndex);
        dstIndex += 4;
        writeInt2(flags, dst, dstIndex);
        dstIndex += 2;
        dstIndex += writeString(filename, dst, dstIndex);

        return dstIndex - start;
    }

    @Override
    int writeDataWireFormat(final byte[] dst, final int dstIndex) {

     */
    @Override
    protected int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt2(24, dst, dstIndex);
        SMBUtil.writeInt2(this.closeFlags, dst, dstIndex + 2);
        dstIndex += 4;
        dstIndex += 4; // Reserved
        System.arraycopy(this.fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;

        if (log.isDebugEnabled()) {

            SMBUtil.writeInt4(dstIndex - getHeaderStart(), dst, inputOffsetOffset);
            final int len = this.inputData.encode(dst, dstIndex);
            SMBUtil.writeInt4(len, dst, inputLengthOffset);
            dstIndex += len;
        } else {
            SMBUtil.writeInt4(0, dst, inputOffsetOffset);
            SMBUtil.writeInt4(0, dst, inputLengthOffset);
        }

        if (this.outputData != null) {

	TableType(dst interface{}) (TableType, error)

	// Columns
	AddColumn(dst interface{}, field string) error
	DropColumn(dst interface{}, field string) error
	AlterColumn(dst interface{}, field string) error
	MigrateColumn(dst interface{}, field *schema.Field, columnType ColumnType) error
	// MigrateColumnUnique migrate column's UNIQUE constraint, it's part of MigrateColumn.

					},

					// func copyBytesToJS(dst ref, src []byte) (int, bool)
					"syscall/js.copyBytesToJS": (sp) => {
						sp >>>= 0;
						const dst = loadValue(sp + 8);
						const src = loadSlice(sp + 16);
						if (!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)) {
							this.mem.setUint8(sp + 48, 0);
							return;
						}
						const toCopy = src.subarray(0, dst.length);
						dst.set(toCopy);

        dst[dstIndex] = this.getSubCommand();
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        return 2;
    }

    @Override
    protected int writeParametersWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        SMBUtil.writeInt2(mapInformationLevel(this.informationLevel), dst, dstIndex);
        dstIndex += 2;