@Override
    public void preprocessVariables(StreamToLoopReplacementContext context, ChainVariable inVar, ChainVariable outVar) {
      if (myQualifier instanceof PsiReferenceExpression) {
        String name = ((PsiReferenceExpression)myQualifier).getReferenceName();
        if(name != null) {
          String singularName = StringUtil.unpluralize(name);
          if(singularName != null && !name.equals(singularName)) {
            outVar.addOtherNameCandidate(singularName);
          }
        }
      }
    }
@Override
    public void preprocessVariables(StreamToLoopReplacementContext context, ChainVariable inVar, ChainVariable outVar)