original_docstring: 
          Subscribe a callback for a breakpoint changed event.
          
docstring: Subscribe a callback for a breakpoint changed event.
docstring_tokens: Subscribe a callback for a breakpoint changed event .
code: def focused_breakpoint_changed(self, callback):
          """
          Subscribe a callback for a breakpoint changed event.
          """
          register_callback(self._focus_changed_callbacks, callback)
code_tokens: def focused_breakpoint_changed ( self , callback ) : register_callback ( self . _focus_changed_callbacks , callback )
short_docstring: Subscribe a callback for a breakpoint changed event.
short_docstring_tokens: Subscribe a callback for a breakpoint changed event .
comment: """
          Subscribe a callback for a breakpoint changed event.
          """