I don't know a whole lot about RPC. However I would like to think I know a bit about TypeScript. Just after a quick glance through the project, something you commonly do is define a class and then in the constructor function you define all the parameters needed for the class then spread them across the class with "this.thing =thing". I also see you've written some with OO languages where this is standard practice, and while what I have to recommend can clean-up the amount of code you have to maintain, it doesn't make large functional changes. The change I would recommend, would be to pass objects to the constructors, define interfaces for those objects, then finally use the spread operator to combine the passed object with the class your defining. So now when calling new Class you should pass it an object with your parameters now named rather than positional and you have to write less boilerplate in your definitions. I wrotea small gist here that's untested but has the general idea.