package Ġcom . carbon black . intellij . rp ms pec Ċ Ċ import Ġcom . carbon black . intellij . rp ms pec . psi . R pm Spec File Ċ import Ġcom . intellij . ide . structure View .* Ċ import Ġcom . intellij . psi . Psi File Ċ Ċ class ĠR pm Spec Structure ViewModel ( psi File : ĠPsi File ) Ġ: ĊĠĠĠĠĠĠĠ ĠStructure ViewModel Base ( psi File , ĠR pm Spec Structure View Element ( psi File )), ĊĠĠĠĠĠĠĠ ĠStructure ViewModel . Element Info Provider Ġ{ ĊĊĠĠĠ Ġoverride Ġfun Ġis Always Shows Plus ( element : ĠStructure View Tree Element ) Ġ= Ġelement . value Ġis ĠR pm Spec File ĊĠĠĠ Ġoverride Ġfun Ġis Always Leaf ( element : ĠStructure View Tree Element ) Ġ= Ġelement . value Ġ! is ĠR pm Spec File Ċ } Ċ