4 files changed, 8 insertions, 8 deletions
diff --git a/app/CommonMark/CensusTableExtension.php b/app/CommonMark/CensusTableExtension.php
index d96139736d..4404bb9d77 100644
--- a/app/CommonMark/CensusTableExtension.php
+++ b/app/CommonMark/CensusTableExtension.php
@@ -40,7 +40,7 @@ class CensusTableExtension extends Extension
      *
      * @return BlockParserInterface[]
      */
-    public function getBlockParsers()
+    public function getBlockParsers(): array
     {
         return [
             new CensusTableParser(),
@@ -54,7 +54,7 @@ class CensusTableExtension extends Extension
      *
      * @return BlockRendererInterface[]
      */
-    public function getBlockRenderers()
+    public function getBlockRenderers(): array
     {
         return [
             Table::class     => new TableRenderer(),
@@ -67,7 +67,7 @@ class CensusTableExtension extends Extension
     /**
      * @return string
      */
-    public function getName()
+    public function getName(): string
     {
         return 'censustabletable';
     }
diff --git a/app/CommonMark/CensusTableParser.php b/app/CommonMark/CensusTableParser.php
index e8535b71d7..b6aacccb9e 100644
--- a/app/CommonMark/CensusTableParser.php
+++ b/app/CommonMark/CensusTableParser.php
@@ -45,7 +45,7 @@ class CensusTableParser extends AbstractBlockParser
      *
      * @return bool
      */
-    public function parse(ContextInterface $context, Cursor $cursor)
+    public function parse(ContextInterface $context, Cursor $cursor): bool
     {
         $container = $context->getContainer();
 
diff --git a/app/CommonMark/XrefExtension.php b/app/CommonMark/XrefExtension.php
index fc0d52bbc1..891c256dfa 100644
--- a/app/CommonMark/XrefExtension.php
+++ b/app/CommonMark/XrefExtension.php
@@ -39,7 +39,7 @@ class XrefExtension extends Extension
     /**
      * @return array
      */
-    public function getInlineParsers()
+    public function getInlineParsers(): array
     {
         return [
             new XrefParser($this->tree),
@@ -49,7 +49,7 @@ class XrefExtension extends Extension
     /**
      * @return string
      */
-    public function getName()
+    public function getName(): string
     {
         return 'xref';
     }
diff --git a/app/CommonMark/XrefParser.php b/app/CommonMark/XrefParser.php
index 3ec057b6e0..d0c09591e5 100644
--- a/app/CommonMark/XrefParser.php
+++ b/app/CommonMark/XrefParser.php
@@ -44,7 +44,7 @@ class XrefParser extends AbstractInlineParser
      *
      * @return array
      */
-    public function getCharacters()
+    public function getCharacters(): array
     {
         return ['@'];
     }
@@ -54,7 +54,7 @@ class XrefParser extends AbstractInlineParser
      *
      * @return bool
      */
-    public function parse(InlineParserContext $context)
+    public function parse(InlineParserContext $context): bool
     {
         // The cursor should be positioned on the opening '@'.
         $cursor = $context->getCursor();