src/Reflector/ClassReflector.php
public function getAllClasses() : array
    {
        /** @var ReflectionClass[] $allClasses */
        $allClasses = $this->sourceLocator->locateIdentifiersByType(
            $this,
            new IdentifierType(IdentifierType::IDENTIFIER_CLASS)
        );

        return $allClasses;
    }
public function getAllClasses() : array
    {
        /** @var ReflectionClass[] $allClasses */
        $allClasses = $this->sourceLocator->locateIdentifiersByType(
            $this,
            new IdentifierType(IdentifierType::IDENTIFIER_CLASS)
        );

        return $allClasses;
    }
Get all the classes available in the scope specified by the SourceLocator.

@return ReflectionClass[]