Interface_arm
short long

d	Connection_definition_items
d	Connection_items
d	Connector_on_item
e	Hierarchical_interface_connection
e	Interface_connection
e	Interface_connector
e	Interface_connector_definition
e	Interface_connector_occurrence
e	Interface_connector_version
e	Interface_definition_connection
e	Interface_definition_for
d	Interface_definition_item
e	Interface_specification
e	Interface_specification_definition
e	Interface_specification_version