public static int putBytes(byte[] tgtBytes, int tgtOffset, byte[] srcBytes, int srcOffset,
                               int srcLength) {
        System.arraycopy(srcBytes, srcOffset, tgtBytes, tgtOffset, srcLength);
        return tgtOffset + srcLength;
    }
Put bytes at the specified byte array position.

@param tgtBytes  the byte array
@param tgtOffset position in the array
@param srcBytes  array to write out
@param srcOffset source offset
@param srcLength source length
@return incremented offset
stroom-bytebuffer/src/main/java/stroom/bytebuffer/hbase/Bytes.java