child_app:
  module: child
  class: Child
  dependencies:
    - parent_app

sibling_app:
  module: sibling
  class: Sibling
  dependencies:
    - parent_app

parent_app:
  module: parent
  class: Parent
  dependencies:
    - grand-parent_app

grand-parent_app:
  module: grand_parent
  class: GrandParent