Fixed some deprecations.

src/DataTables/Column/EntityColumn.php

@@ -66,6 +66,7 @@ class EntityColumn extends AbstractColumn
      * The normalize function is responsible for converting parsed and processed data to a datatables-appropriate type.
      *
      * @param mixed $value The single value of the column
+     * @return mixed
      */
     public function normalize($value)
     {
@@ -73,7 +74,7 @@ class EntityColumn extends AbstractColumn
         return $value;
     }
 
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): self
     {
         parent::configureOptions($resolver);
 

src/DataTables/Column/IconLinkColumn.php

@@ -28,12 +28,16 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class IconLinkColumn extends AbstractColumn
 {
+    /**
+     * @param $value
+     * @return mixed
+     */
     public function normalize($value)
     {
         return $value;
     }
 
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): self
     {
         parent::configureOptions($resolver);
         $resolver->setDefaults([
@@ -51,7 +55,7 @@ class IconLinkColumn extends AbstractColumn
         return $this;
     }
 
-    public function render($value, $context)
+    public function render($value, $context): string
     {
         $href = $this->getHref($value, $context);
         $icon = $this->getIcon($value, $context);

src/DataTables/Column/LocaleDateTimeColumn.php

@@ -55,7 +55,12 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
  */
 class LocaleDateTimeColumn extends AbstractColumn
 {
-    public function normalize($value)
+    /**
+     * @param $value
+     * @return bool|mixed|string
+     * @throws \Exception
+     */
+    public function normalize($value): string
     {
         if (null === $value) {
             return $this->options['nullValue'];
@@ -81,7 +86,7 @@ class LocaleDateTimeColumn extends AbstractColumn
         return $formatter->format($value->getTimestamp());
     }
 
-    protected function configureOptions(OptionsResolver $resolver)
+    protected function configureOptions(OptionsResolver $resolver): self
     {
         parent::configureOptions($resolver);
 

src/DataTables/Column/LogEntryExtraColumn.php

@@ -57,12 +57,16 @@ class LogEntryExtraColumn extends AbstractColumn
         $this->formatter = $formatter;
     }
 
+    /**
+     * @param $value
+     * @return mixed
+     */
     public function normalize($value)
     {
         return $value;
     }
 
-    public function render($value, $context)
+    public function render($value, $context): string
     {
         return $this->formatter->format($context);
     }

src/DataTables/Column/LogEntryTargetColumn.php

@@ -78,12 +78,16 @@ class LogEntryTargetColumn extends AbstractColumn
         $this->translator = $translator;
     }
 
+    /**
+     * @param $value
+     * @return mixed
+     */
     public function normalize($value)
     {
         return $value;
     }
 
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): self
     {
         parent::configureOptions($resolver);
         $resolver->setDefault('show_associated', true);
@@ -92,7 +96,7 @@ class LogEntryTargetColumn extends AbstractColumn
         return $this;
     }
 
-    public function render($value, $context)
+    public function render($value, $context): string
     {
         if ($context instanceof UserNotAllowedLogEntry && $this->options['showAccessDeniedPath']) {
             return htmlspecialchars($context->getPath());

src/DataTables/Column/MarkdownColumn.php

@@ -58,6 +58,7 @@ class MarkdownColumn extends AbstractColumn
      * The normalize function is responsible for converting parsed and processed data to a datatables-appropriate type.
      *
      * @param mixed $value The single value of the column
+     * @return mixed
      */
     public function normalize($value)
     {

src/DataTables/Column/PartAttachmentsColumn.php

@@ -68,13 +68,14 @@ class PartAttachmentsColumn extends AbstractColumn
      * The normalize function is responsible for converting parsed and processed data to a datatables-appropriate type.
      *
      * @param mixed $value The single value of the column
+     * @return mixed
      */
     public function normalize($value)
     {
         return $value;
     }
 
-    public function render($value, $context)
+    public function render($value, $context): string
     {
         if (!$context instanceof Part) {
             throw new RuntimeException('$context must be a Part object!');
@@ -107,7 +108,7 @@ class PartAttachmentsColumn extends AbstractColumn
         return $tmp;
     }
 
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): self
     {
         parent::configureOptions($resolver);
 

src/DataTables/Column/RevertLogColumn.php

@@ -42,12 +42,16 @@ class RevertLogColumn extends AbstractColumn
         $this->security = $security;
     }
 
+    /**
+     * @param $value
+     * @return mixed
+     */
     public function normalize($value)
     {
         return $value;
     }
 
-    public function render($value, $context)
+    public function render($value, $context): string
     {
         if (
             $context instanceof CollectionElementDeleted

src/DataTables/Column/TagsColumn.php

@@ -58,6 +58,7 @@ class TagsColumn extends AbstractColumn
      * The normalize function is responsible for converting parsed and processed data to a datatables-appropriate type.
      *
      * @param mixed $value The single value of the column
+     * @return mixed
      */
     public function normalize($value)
     {
@@ -68,7 +69,7 @@ class TagsColumn extends AbstractColumn
         return explode(',', $value);
     }
 
-    public function render($tags, $context)
+    public function render($tags, $context): string
     {
         $html = '';
         $count = 10;