Draft: Improvement - Add method annotations in iterator generated classes

[dsavina]

Add type hint for methods first, toArray, offsetGet, withOrder, withParameters in base iterator classes.

[codecov-io]

Codecov Report

Merging #242 (01c0eb8) into master (a49d62d) will decrease coverage by 0.09%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #242      +/-   ##
============================================
- Coverage     97.54%   97.45%   -0.10%     
- Complexity     1482     1483       +1     
============================================
  Files            62       62              
  Lines          4159     4168       +9     
============================================
+ Hits           4057     4062       +5     
- Misses          102      106       +4     

Impacted Files	Coverage Δ	Complexity Δ
src/Utils/BeanDescriptor.php	98.54% <100.00%> (+0.01%)	191.00 <0.00> (+1.00)
src/QueryFactory/FindObjectsQueryFactory.php	97.61% <0.00%> (-2.39%)	9.00% <0.00%> (ø%)
src/TDBMService.php	96.43% <0.00%> (-0.60%)	180.00% <0.00%> (ø%)

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[moufmouf]

We could try to use generics from PHPStan / Psalm instead. Especially since PHPStorm reads those annotations since the last version.