LeanMapper\Reflection\EntityReflection::getAliases PHP Method

    public function getAliases()
    {
        if ($this->aliases === null) {
            $this->aliases = AliasesParser::parseSource(file_get_contents($this->getFileName()), $this->getNamespaceName());
        }
        return $this->aliases;
    }

 /**
  * @param string $definition
  * @param EntityReflection $reflection
  * @throws InvalidAnnotationException
  */
 public function __construct($definition, EntityReflection $reflection)
 {
     $matches = [];
     preg_match('#^((?:\\\\?[a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff]*)+|self|static|parent)::([a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff]+)\\*$#', $definition, $matches);
     if (empty($matches)) {
         throw new InvalidAnnotationException("Invalid enumeration definition given: '{$definition}'.");
     }
     list(, $class, $prefix) = $matches;
     if ($class === 'self' or $class === 'static') {
         $constants = $reflection->getConstants();
     } elseif ($class === 'parent') {
         $constants = $reflection->getParentClass()->getConstants();
     } else {
         $aliases = $reflection->getAliases();
         $reflectionClass = new ReflectionClass($aliases->translate($class));
         $constants = $reflectionClass->getConstants();
     }
     foreach ($constants as $name => $value) {
         if (substr($name, 0, strlen($prefix)) === $prefix) {
             $this->values[$name] = $value;
             $this->index[$value] = true;
         }
     }
 }