code: private DeleteVpcResponseType deleteVpc(final String vpcId) {
  
          DeleteVpcResponseType ret = new DeleteVpcResponseType();
          ret.setRequestId(UUID.randomUUID().toString());
          mockVpcController.deleteVpc(vpcId);
          return ret;
      }
docs: Handles "deleteVpc" request and delete Vpc and returns response.
  @param vpcId : Vpc Id to be deleted.
  @return a DeleteVpcResponseType with new Vpc