refactor(stream): This commit refactors the RenderStream class in the…

[AlirezaBabaeii]

refactor(stream): Improve variable and function naming in RenderStream class

This commit refactors the RenderStream class in the stream module by improving the naming of variables and functions to increase code readability and maintainability.

Changes made:

Renamed variables and functions with more descriptive names. Removed unused imports and variables. Added TypeScript annotations to improve code robustness. This commit does not change any functionality of the RenderStream class.