Add docstring to class 'JsonPrinter' at line 85

Adding a docstring improves code readability and maintainability, making it easier for other developers to understand the purpose and usage of the class.

Author: divyanshu-iitian

examples/argcomplete_app.py

@@ -25,6 +25,7 @@
     --Application.     --ArgcompleteApp.
 
     # Complete class config traits
+        """TODO: Add description."""
     $ examples/argcomplete_app.py --EnvironPrinter.[TAB]
     --EnvironPrinter.no_complete      --EnvironPrinter.style
     --EnvironPrinter.skip_if_missing  --EnvironPrinter.vars