@startuml example-uml
skinparam backgroundColor transparent
skinparam style strictuml
skinparam linetype polyline
skinparam nodesep 50

hide methods
hide circle

show << datatype >> circle
show << entity >> circle
show enum circle
show << event >> circle
show << union >> circle

package "xsd" as s_xsd <<module>> #white {
}

package "dc" as s_dc <<module>> #white {
}


package "example" as s_example <<module>> {
  class "Uuid" as s_Uuid << (D, orchid) datatype >> {
{xsd:pattern = "[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12}"}
  }
  hide s_Uuid methods
  class "Example" as s_Example << (E, orchid) entity >> {
    +example_id: Uuid
    --
    +version: Uuid
    +name: sdml:string
  }

  s_Uuid --|> s_sdml__string
}

s_example ..> s_xsd: <<import>>
s_example ..> s_dc: <<import>>


@enduml