add declaration

Author: JBlond

lib/jblond/Diff/Renderer/MainRenderer.php

@@ -190,7 +190,7 @@ protected function renderSequences(): array
      * @param int   $endOld   last line of the block in old to replace.
      * @param int   $startNew First line of the block in new to replace.
      */
-    private function markInlineChange(array &$oldText, array &$newText, $startOld, $endOld, $startNew)
+    private function markInlineChange(array &$oldText, array &$newText, int $startOld, int $endOld, int $startNew)
     {
         for ($iterator = 0; $iterator < ($endOld - $startOld); ++$iterator) {
             // Check each line in the block for differences.

lib/jblond/Diff/Renderer/Text/InlineCli.php

@@ -72,7 +72,7 @@ public function generateDiffHeader(): string
      *
      * @return string Start of the diff view.
      */
-    public function generateBlockHeader($changes): string
+    public function generateBlockHeader(array $changes): string
     {
         return '';
     }