private IntList getParamsToRemove(PsiMethod method, PsiExpression[] occurrences) {
      PsiExpression expressionToRemoveParamFrom = myExpr;
      if (myExpr == null) {
        expressionToRemoveParamFrom = myLocalVar.getInitializer();
      }
      return expressionToRemoveParamFrom == null ? new IntArrayList() : Util
        .findParametersToRemove(method, expressionToRemoveParamFrom, occurrences);
    }
private IntList getParamsToRemove(PsiMethod method, PsiExpression[] occurrences)