Merge branch '4.4' into 5.2

* 4.4:
  Fix incompatible implicit float-to-int conversions
  [Translation] Don't pass null to strtoupper()
  cs fix
  [DependencyInjection] Don't pass null to trim()
  Add return types to JsonSerializable implementations
  Fix Serializable deprecations triggered by token mocks
  Add missing security translations

Helper/ProgressBar.php

@@ -196,7 +196,7 @@ public function getProgressPercent(): float
 
     public function getBarOffset(): float
     {
-        return floor($this->max ? $this->percent * $this->barWidth : (null === $this->redrawFreq ? min(5, $this->barWidth / 15) * $this->writeCount : $this->step) % $this->barWidth);
+        return floor($this->max ? $this->percent * $this->barWidth : (null === $this->redrawFreq ? (int) (min(5, $this->barWidth / 15) * $this->writeCount) : $this->step) % $this->barWidth);
     }
 
     public function getEstimated(): float
@@ -270,7 +270,7 @@ public function setFormat(string $format)
     /**
      * Sets the redraw frequency.
      *
-     * @param int|float $freq The frequency in steps
+     * @param int|null $freq The frequency in steps
      */
     public function setRedrawFrequency(?int $freq)
     {

Helper/Table.php

@@ -442,7 +442,7 @@ private function renderRowSeparator(int $type = self::SEPARATOR_MID, string $tit
                 $formattedTitle = sprintf($titleFormat, Helper::substr($title, 0, $limit - $formatLength - 3).'...');
             }
 
-            $titleStart = ($markupLength - $titleLength) / 2;
+            $titleStart = intdiv($markupLength - $titleLength, 2);
             if (false === mb_detect_encoding($markup, null, true)) {
                 $markup = substr_replace($markup, $formattedTitle, $titleStart, $titleLength);
             } else {

Tests/Helper/ProgressBarTest.php

@@ -535,7 +535,7 @@ public function testRedrawFrequencyIsAtLeastOneIfZeroGiven()
     public function testRedrawFrequencyIsAtLeastOneIfSmallerOneGiven()
     {
         $bar = new ProgressBar($output = $this->getOutputStream(), 0, 0);
-        $bar->setRedrawFrequency(0.9);
+        $bar->setRedrawFrequency(0);
         $bar->start();
         $bar->advance();