Fix issues reported by PHPStan

PHPStan added new validations. We can't fix all `checkMissingIterableValueType` errors, since we inherit from phpspec classes.

Author: jaylinski

.editorconfig

@@ -15,7 +15,7 @@ charset = utf-8
 indent_style = space
 indent_size = 4
 
-[*.{yml,yaml}]
+[*.{neon,yml,yaml}]
 indent_style = space
 indent_size = 2
 

phpstan.neon

@@ -0,0 +1,2 @@
+parameters:
+ checkMissingIterableValueType: false

src/Listener/CodeCoverageListener.php

@@ -26,14 +26,29 @@
  */
 class CodeCoverageListener implements EventSubscriberInterface
 {
+ /**
+ * @var CodeCoverage
+ */
  private $coverage;
 
+ /**
+ * @var ConsoleIO
+ */
  private $io;
 
+ /**
+ * @var array
+ */
  private $options;
 
+ /**
+ * @var array
+ */
  private $reports;
 
+ /**
+ * @var bool
+ */
  private $skipCoverage;
 
  public function __construct(ConsoleIO $io, CodeCoverage $coverage, array $reports, bool $skipCoverage = false)
@@ -65,19 +80,19 @@ public function afterExample(ExampleEvent $event): void
  public function afterSuite(SuiteEvent $event): void
  {
  if ($this->skipCoverage) {
- if ($this->io && $this->io->isVerbose()) {
+ if ($this->io->isVerbose()) {
  $this->io->writeln('Skipping code coverage generation');
  }
 
  return;
  }
 
- if ($this->io && $this->io->isVerbose()) {
+ if ($this->io->isVerbose()) {
  $this->io->writeln();
  }
 
  foreach ($this->reports as $format => $report) {
- if ($this->io && $this->io->isVerbose()) {
+ if ($this->io->isVerbose()) {
  $this->io->writeln(sprintf('Generating code coverage report in %s format ...', $format));
  }