anchor.diff:  ----
   
   [[layer:ExistingRelations]]
  -.Adds the relation `LAYER_USE` to all Layers.
  +.Adds the relation `LAYER_USE` for all Layers which contains classes which depends on each other. Add the information `allowed`, `count` (nr of dependencies), `dependencies`.
   [source,cypher,role=concept,requiresConcepts="layer:Layer"]
   ----
   MATCH
  
positive.code: [[layer:Default]]
  [role=group,includesConstraints="layer:Cycles", includesConcepts="layer:LayerDependency.graphml, layer:WantedRelations, layer:ExistingRelations"]
  == Layer Rules
  
  All packages which are directly contained in the root package are technical layers.
  
negative.code: ----
  
  [[layer:WantedRelations]]
  .Adds wanted relation `LAYER_USE` to all Layers with information `allowed` to `true`.
  [source,cypher,role=concept,requiresConcepts="layer:Layer"]
  ----
  MATCH
  