Custom Language Support TutorialIn this tutorial we will add support for a .properties language and its usages within Java code.This a step-by-step tutorial, and it requires completing each step, in order:1. Prerequisites2. Language and File Type3. Grammar and Parser4. Lexer and Parser Definition5. Syntax Highlighter and Color Settings Page6. PSI Helpers and Utilities7. Annotator8. Line Marker Provider9. Completion Contributor10. Reference Contributor11. Find Usages Provider12. Folding Builder13. Go To Symbol Contributor14. Structure View Factory15. Structure Aware Navigation Bar16. Formatter17. Code Style Settings18. Commenter19. Quick Fix20. Documentation Last modified: 29 九月 2022 Additional Minor Features 1. Prerequisites