there will be other implementations than those two I wrote it's probably...什么意思？

这是一句话还是两句分开的？

there will be other implementations than those two I wrote
除了我写过的两种，还会有其他的实现方法。

it's probably not that likely
也许可能性不是那么大。

除了我写的那两种，还有其它实现方式，但也许可能性不大。