use Doctrine\Common\Annotations\AnnotationReader;
use Kenny1911\DoctrineInheritAnnotations\InheritAnnotationReader;

$reader = new AnnotationReader(); // Original annotation reader

$inheritReader = new InheritAnnotationReader($reader);

use Doctrine\Common\Annotations\AnnotationReader;
use Kenny1911\DoctrineInheritAnnotations\Annotation\Inherit;
use Kenny1911\DoctrineInheritAnnotations\InheritAnnotationReader;

/**
 * @FooAnnotation()
 */
class ParentClass {}

/**
 * @BarAnnotation()
 * 
 * @Inherit()
 */
class ChildClass extends ParentClass {}

$reader = new AnnotationReader();
$reader->getClassAnnotations(new ReflectionClass(ChildClass::class)); // return [@BarAnnotation(), @Inherit()]

$inheritReader = new InheritAnnotationReader($reader);
$inheritReader->getClassAnnotations(new ReflectionClass(ChildClass::class)); // return [@BarAnnotation(), @Inherit(), @FooAnnotation()]