/**
* HTML to build the textbox1 on edit conflicts
*
- * @param mixed[]|null $customAttribs
+ * @param array $customAttribs
* @return string HTML
*/
- public function getEditConflictMainTextBox( $customAttribs = [] ) {
+ public function getEditConflictMainTextBox( array $customAttribs = [] ) {
$builder = new TextboxBuilder();
$classes = $builder->getTextboxProtectionCSSClasses( $this->title );