The provisions of this chapter shall not be construed to impair,
alter, limit or modify the rights and obligations of any insurer under
any policy of insurance.
As otherwise specifically provided in this chapter, the provisions
of this chapter shall not be construed in any way to impair, alter,
limit, modify, abrogate or restrict any immunity to liability available
to or conferred upon any unit, entity, officer or employee of the
Town or any right to defense provided for any governmental officer
or employee in accordance with or by reason of any provision of state
or federal statutory or common law.