public function getTypes() {
    // If type hint is set then that is the type of the parameter.
    if ($this->typeHint) {
      if ($this->typeHint instanceof TokenNode) {
        if ($this->typeHint->getType() === T_ARRAY) {
          $docTypes = $this->getDocTypes();
          foreach ($docTypes as $docType) {
            if ($docType !== 'array' && substr($docType, -2) !== '[]') {
              return [$this->typeHint->getText()];
            }
          }
          return $docTypes;
        }
        else {
          return [$this->typeHint->getText()];
        }
      }
      else {
        return [$this->typeHint->getAbsolutePath()];
      }
    }
    return $this->getDocTypes();
  }