need help fixing for php 8.4

here the errors:

Deprecated
: 
League\Flysystem\EventableFilesystem\EventableFilesystem::__construct(): 
Implicitly marking parameter $emitter as nullable is deprecated, the 
explicit nullable type must be used instead in
/usr/www/dcu/public_html/src/vendor/league/flysystem-eventable-filesystem/src/EventableFilesystem.php
on line
30


Deprecated
: League\Flysystem\EventableFilesystem\EventableFilesystem::get(): 
Implicitly marking parameter $handler as nullable is deprecated, the 
explicit nullable type must be used instead in
/usr/www/dcu/public_html/src/vendor/league/flysystem-eventable-filesystem/src/EventableFilesystem.php
on line
98


Deprecated
: Use of "parent" in callables is deprecated in
/usr/www/dcu/public_html/src/vendor/league/flysystem-eventable-filesystem/src/EventableFilesystem.php
on line
431

--------------------------------------------------

snippet of line 30:

     /**
      * Constructor.
      *
      * @param AdapterInterface $adapter
      * @param mixed            $config
      * @param Emitter          $emitter
      */
     public function __construct(AdapterInterface $adapter, $config = 
null, Emit>
     {
         $this->setEmitter($emitter);
         parent::__construct($adapter, $config);
     }
--------------------------------------------------------------------------

snippet og line 98:

     /**
      * Get a file/directory handler.
      *
      * @param string  $path
      * @param Handler $handler
      * @param mixed   $config
      *
      * @return Handler file or directory handler
      */
     public function get($path, Handler $handler = null, array $config = 
[])
     {
         return $this->delegateMethodCall('get', compact('path', 
'handler', 'config'));

     }

--------------------------------------------

snippet of line 431:

     /**
      * Call the underlying filesystem method.
      *
      * @param string $method
      * @param array  $arguments
      *
      * @return mixed
      */
     protected function callFilesystemMethod($method, array $arguments)
     {
         $callable = 'parent::'.$method;
         $result = call_user_func_array($callable, 
array_values($arguments));

         return $result;
     }


-----------------------------------------

thanks for all your help