public function getColumnModifiers()
{
// Create reflection class for MySqlGrammar
$class = new \ReflectionClass(new MySqlGrammar());
// Get our protected modifiers property
$property = $class->getProperty('modifiers');
// Set properties to be publicly accessible
$property->setAccessible(true);
// Return MySqlGrammar::modifiers array in lowercase
return array_map('strtolower', $property->getValue(new MySqlGrammar()));
}