/usr/share/php/PhpAmqpLib/Exception/ is in php-amqplib 2.6.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/PhpAmqpLib/Exception/AMQPBasicCancelException.php
/usr/share/php/PhpAmqpLib/Exception/AMQPChannelException.php
/usr/share/php/PhpAmqpLib/Exception/AMQPConnectionException.php
/usr/share/php/PhpAmqpLib/Exception/AMQPException.php
/usr/share/php/PhpAmqpLib/Exception/AMQPExceptionInterface.php
/usr/share/php/PhpAmqpLib/Exception/AMQPIOException.php
/usr/share/php/PhpAmqpLib/Exception/AMQPIOWaitException.php
/usr/share/php/PhpAmqpLib/Exception/AMQPInvalidArgumentException.php
/usr/share/php/PhpAmqpLib/Exception/AMQPLogicException.php
/usr/share/php/PhpAmqpLib/Exception/AMQPOutOfBoundsException.php
/usr/share/php/PhpAmqpLib/Exception/AMQPOutOfRangeException.php
/usr/share/php/PhpAmqpLib/Exception/AMQPProtocolChannelException.php
/usr/share/php/PhpAmqpLib/Exception/AMQPProtocolConnectionException.php
/usr/share/php/PhpAmqpLib/Exception/AMQPProtocolException.php
/usr/share/php/PhpAmqpLib/Exception/AMQPRuntimeException.php
/usr/share/php/PhpAmqpLib/Exception/AMQPTimeoutException.php