/usr/share/php/PhpAmqpLib/ is in php-amqplib 2.6.1-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/PhpAmqpLib/Channel/
/usr/share/php/PhpAmqpLib/Channel/AMQPChannel.php
/usr/share/php/PhpAmqpLib/Channel/AbstractChannel.php
/usr/share/php/PhpAmqpLib/Connection/
/usr/share/php/PhpAmqpLib/Connection/AMQPConnection.php
/usr/share/php/PhpAmqpLib/Connection/AMQPLazyConnection.php
/usr/share/php/PhpAmqpLib/Connection/AMQPSSLConnection.php
/usr/share/php/PhpAmqpLib/Connection/AMQPSocketConnection.php
/usr/share/php/PhpAmqpLib/Connection/AMQPStreamConnection.php
/usr/share/php/PhpAmqpLib/Connection/AbstractConnection.php
/usr/share/php/PhpAmqpLib/Exception/
/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/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
/usr/share/php/PhpAmqpLib/Helper/
/usr/share/php/PhpAmqpLib/Helper/DebugHelper.php
/usr/share/php/PhpAmqpLib/Helper/MiscHelper.php
/usr/share/php/PhpAmqpLib/Helper/Protocol/
/usr/share/php/PhpAmqpLib/Helper/Protocol/MethodMap080.php
/usr/share/php/PhpAmqpLib/Helper/Protocol/MethodMap091.php
/usr/share/php/PhpAmqpLib/Helper/Protocol/Protocol080.php
/usr/share/php/PhpAmqpLib/Helper/Protocol/Protocol091.php
/usr/share/php/PhpAmqpLib/Helper/Protocol/Wait080.php
/usr/share/php/PhpAmqpLib/Helper/Protocol/Wait091.php
/usr/share/php/PhpAmqpLib/Message/
/usr/share/php/PhpAmqpLib/Message/AMQPMessage.php
/usr/share/php/PhpAmqpLib/Wire/
/usr/share/php/PhpAmqpLib/Wire/AMQPAbstractCollection.php
/usr/share/php/PhpAmqpLib/Wire/AMQPArray.php
/usr/share/php/PhpAmqpLib/Wire/AMQPDecimal.php
/usr/share/php/PhpAmqpLib/Wire/AMQPReader.php
/usr/share/php/PhpAmqpLib/Wire/AMQPTable.php
/usr/share/php/PhpAmqpLib/Wire/AMQPWriter.php
/usr/share/php/PhpAmqpLib/Wire/AbstractClient.php
/usr/share/php/PhpAmqpLib/Wire/Constants080.php
/usr/share/php/PhpAmqpLib/Wire/Constants091.php
/usr/share/php/PhpAmqpLib/Wire/GenericContent.php
/usr/share/php/PhpAmqpLib/Wire/IO/
/usr/share/php/PhpAmqpLib/Wire/IO/AbstractIO.php
/usr/share/php/PhpAmqpLib/Wire/IO/SocketIO.php
/usr/share/php/PhpAmqpLib/Wire/IO/StreamIO.php
/usr/share/php/PhpAmqpLib/autoload.php