Bepsvpt\SecureHeaders\SecureHeadersServiceProvider::class,

\Bepsvpt\SecureHeaders\SecureHeadersMiddleware::class,

->withMiddleware(function (Middleware $middleware): void {
    $middleware->append(\Bepsvpt\SecureHeaders\SecureHeadersMiddleware::class);
})

$app->register(Bepsvpt\SecureHeaders\SecureHeadersServiceProvider::class);

$app->middleware([
   \Bepsvpt\SecureHeaders\SecureHeadersMiddleware::class,
]);

<?php
use \Bepsvpt\SecureHeaders\SecureHeaders;

<?php
// instantiate the class by fromFile static method
$secureHeaders = SecureHeaders::fromFile('/path/to/secure-headers.php');
// or instantiate the class directly
$config = require '/path/to/secure-headers.php';
$config['key'] = 'value'; // modify config value if needed
$secureHeaders = new SecureHeaders($config);

// Get headers
$secureHeaders->headers();
// Send headers to HTTP response
$secureHeaders->send();