Narrow down return types

[kamil-tekiela]

No description provided.

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (aeb52db) 96.64% compared to head (d25cf7e) 96.64%.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #460   +/-   ##
=========================================
  Coverage     96.64%   96.64%           
  Complexity     2214     2214           
=========================================
  Files            67       67           
  Lines          5096     5096           
=========================================
  Hits           4925     4925           
  Misses          171      171           

Impacted Files	Coverage Δ
src/Components/IndexHint.php	100.00% <ø> (ø)
src/Statements/ReplaceStatement.php	100.00% <ø> (ø)
src/Context.php	97.67% <100.00%> (ø)
src/Exceptions/ParserException.php	100.00% <100.00%> (ø)
src/Parser.php	100.00% <100.00%> (ø)
src/Statement.php	100.00% <100.00%> (ø)
src/TokensList.php	100.00% <100.00%> (ø)
src/Utils/CLI.php	97.93% <100.00%> (ø)

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