I wish I did. Xi has followed Mao's model of making sure that he has no real rivals, although using different methods. For Mao, the best example was the Cultural Revolution in which a number of potential threats were neutralized. A guy named Lin Bao, who was pretty much the biggest rival for Mao died in a plane crash that likely was not an accident. For Xi, the fight against corruption has provided a handle opportunity to put people he doesn't like in prison. He has also fought against the Chinese 'oligarchs' (if I can use that term) to reduce the enormous power they were developing.
When Mao died his successor was nominally Hua Guofeng who was really a non-entity who was quickly, and non-violently replaced by Deng Xiaoping who set the country on its remarkable transition to a largely market economy. Deng was an old Communist and had seen his stock go up and down a number of times over the decades. During the CR he was very much on the outs.
Xi has not suggested publicly who might take over after him. The members of the Standing Committee of the Politboro (6 men) are entirely Xi loyalists and I am not aware of any seen as likely rvals. This could change if Xi were seen to be seriously ill. People in the West should know more about the Standing Committee since it is where the real power lies in China.
Edit: I had another thought and it is about Xi's mortality and his place in history. He sees that Mao and later Deng fundamentally changed the country. He has a vision for what he wants China to be but realizes that he will not live all that long, could be 10 years or a bit more, could be somewhat less. This might lead to a potential invasion of Taiwan before its chance of success is high. I think what has happened to Russia has chastened him dramatically. I would not be surprised to see his main focus shifting to taking advantage of a much weakened Russia.