Call to an undefined method Zend_Controller_Response_Abstract::sendHeadersAndExit().

Method Mage_Adminhtml_Sales_Order_ShipmentController::getShippingItemsGridAction() should return Mage_Core_Controller_Response_Http but returns Zend_Controller_Response_Abstract.

Method Mage_Api2_Model_Response::setMimeType() should return $this(Mage_Api2_Model_Response) but returns Zend_Controller_Response_Abstract.

Ignored error pattern #^Method Mage_Catalog_Model_Resource_Attribute\:\:isUsedBySuperProducts\(\) should return int but returns string\|false\|null\.$# in path /home/runner/work/magento-lts/magento-lts/app/code/core/Mage/Catalog/Model/Resource/Attribute.php was not matched in reported errors.

Method Mage_Catalog_Model_Resource_Attribute::isUsedBySuperProducts() should return int but returns string.

Ignored error pattern #^Method Mage_Catalog_Model_Resource_Category\:\:getChildrenAmount\(\) should return int but returns string\|false\|null\.$# in path /home/runner/work/magento-lts/magento-lts/app/code/core/Mage/Catalog/Model/Resource/Category.php was not matched in reported errors.

Ignored error pattern #^Method Mage_Catalog_Model_Resource_Category\:\:getChildrenCount\(\) should return int but returns string\|false\|null\.$# in path /home/runner/work/magento-lts/magento-lts/app/code/core/Mage/Catalog/Model/Resource/Category.php was not matched in reported errors.

Method Mage_Catalog_Model_Resource_Category::getChildrenCount() should return int but returns string.

Method Mage_Catalog_Model_Resource_Category::checkId() should return bool but returns string.