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