Member clanguml::class_diagram::model::class_::add_parent (class_parent &&parent): Maybe it would be good to refactor this into a regular relationship. We could drop the 'class_parent' class completely...
Class clanguml::class_diagram::model::class_parent: Consider refactoring this class to a regular relationship.
Member clanguml::class_diagram::model::diagram::has_element (eid_t id) const override: Remove in favour of 'contains'
Member clanguml::class_diagram::model::diagram::to_alias (eid_t id) const: This method does not belong here - refactor to PlantUML specific code.
Member clanguml::class_diagram::visitor::translation_unit_visitor::processed_template_qualified_names_: There must be a better way to do this...
Member clanguml::common::model::calculate_template_params_specialization_match (const std::vector< template_parameter > &specialization, const std::vector< template_parameter > &base_template): This is not scientific - there probably is more strict way to calculate this...
Member clanguml::common::model::diagram_element::alias () const: This is a PlantUML specific method - it shouldn't be here.
Member clanguml::common::model::template_parameter::calculate_specialization_match (const template_parameter &base_template_parameter) const: This is not scientific - there probably is more strict way to calculate this...
Member clanguml::sequence_diagram::model::diagram::to_alias (const std::string &full_name) const: This method does not belong here - refactor to PlantUML specific code.
Member clanguml::sequence_diagram::model::method::alias () const override: This method does not belong here - refactor to PlantUML specific code.
Member clanguml::sequence_diagram::visitor::translation_unit_visitor::set_unique_id (int64_t local_id, eid_t global_id): Refactor to ast_id_mapper