Refactor

[MayankPatel85]

🤔 What's changed?

• Extracted method from createGroupBuilder of TreeRegexp class.
• Renamed variable isFirst to isFirstElement in AmbiguousParameterTypeException class.
• Decomposed conditional from equal method of Node class.
• Moved fields from Ast class to Token class.
• Extracted class from CucumberExpression. The NodeAssert class with have all assert methods.

⚡️ What's your motivation?

Refactoring.

🏷️ What kind of change is this?

• :bank: Refactoring/debt/DX (improvement to code design, tooling, documentation etc. without changing behaviour)

♻️ Anything particular you want feedback on?

How was the refactoring?

📋 Checklist:

• [x] I agree to respect and uphold the Cucumber Community Code of Conduct
• [ ] I've changed the behaviour of the code
  • [ ] I have added/updated tests to cover my changes.
• [ ] My change requires a change to the documentation.
  • [ ] I have updated the documentation accordingly.
• [ ] Users should know about my change
  • [ ] I have added an entry to the "Unreleased" section of the CHANGELOG, linking to this pull request.

---

This text was originally generated from a template, then edited by hand. You can modify the template here.