/**
* Get as boolean value
*
* @param string $key key string for hash map
* @param bool $default_value default value
*
* @return Charcoal_Boolean
*/
public function getBoolean($key, $default_value = NULL)
{
// Charcoal_ParamTrait::validateString( 1, $key );
// Charcoal_ParamTrait::validateBoolean( 2, $default_value, TRUE );
$key = us($key);
return parent::getBoolean($key, $default_value);
}
