Scaladoc for uses cases of type alias should contain a section of full signature

[Atry]

object UseCases {
  /**
    * @usecase type TypeAliasUseCase[A] = Any
    *
    *          This is a use case of a type alias.
    */
  type TypeAliasUseCase[A] = A

  /** 
    * @usecase def methodUseCase(): Unit = ???
    *
    *          This is a use case of a method.
    */
  def methodUseCase(): Nothing = ???
}

scaladoc -version

Scaladoc version 2.12.6 -- Copyright 2002-2018, LAMP/EPFL and Lightbend, Inc.

scaladoc UseCases.scala 

model contains 2 documentable templates

[SethTisue]

note that @usecase is deprecated in 2.13