Add better IDE autocomplete for event method stubs

[dereuromark]

Reverts #308 with the option to either enable or disable types in favor of docblocks.

Components have return types by default as there is no controller code interferring
Components have docblocks by default unless told otherwise, as here the parent code can cause the issues described in the linked PR

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (445f4a7) 82.68% compared to head (15744b0) 82.75%.

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Additional details and impacted files

@@             Coverage Diff              @@
##             master     #341      +/-   ##
============================================
+ Coverage     82.68%   82.75%   +0.06%     
- Complexity     1781     1783       +2     
============================================
  Files           114      114              
  Lines          4858     4876      +18     
============================================
+ Hits           4017     4035      +18     
  Misses          841      841              

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[dereuromark]

beforeRedirect(EventInterface $event, $url, Response $response)
Is invoked when the controller’s redirect method is called but before any further action. If this method returns false the controller will not continue on to redirect the request. The $url, and $response parameters allow you to inspect and modify the location or any other headers in the response.

The false part here is documented as possible return value/type. But this repo will not support this out of the box.
If this is needed, it can be manually adjusted in the code.

See cakephp/cakephp#16854 (comment)