public function getIndexDefinition()
{
return array('idc' => new Search\FieldType\MultipleIntegerField(), 'alpha2' => new Search\FieldType\MultipleStringField(), 'alpha3' => new Search\FieldType\MultipleStringField(), 'name' => new Search\FieldType\MultipleStringField(), 'sort_value' => new Search\FieldType\StringField());
}