public ByteVector putInt(final int intValue) {
        int currentLength = length;
        if (currentLength + 4 > data.length) {
            enlarge(4);
        }
        byte[] currentData = data;
        currentData[currentLength++] = (byte) (intValue >>> 24);
        currentData[currentLength++] = (byte) (intValue >>> 16);
        currentData[currentLength++] = (byte) (intValue >>> 8);
        currentData[currentLength++] = (byte) intValue;
        length = currentLength;
        return this;
    }
Puts an int into this byte vector. The byte vector is automatically enlarged if necessary.

@param intValue an int.
@return this byte vector.
core/src/main/java/com/alibaba/fastjson2/internal/asm/ByteVector.java