PsiJetFileStubImpl[package=]
  PACKAGE_DIRECTIVE:
  CLASS:[fqName=A, isEnumEntry=false, isLocal=false, isTopLevel=true, isTrait=false, name=A, superNames=[]]
    CLASS_BODY:
      CLASS:[fqName=A.B, isEnumEntry=false, isLocal=false, isTopLevel=false, isTrait=false, name=B, superNames=[]]
        MODIFIER_LIST:[inner]
        CLASS_BODY: