code: @Override
      public DeclineInvitationsResult declineInvitations(DeclineInvitationsRequest request) {
          request = beforeClientExecution(request);
          return executeDeclineInvitations(request);
      }
docs: <p>
  Declines invitations that are sent to this AWS account (invitee) by the AWS accounts (inviters) that are
  specified by the account IDs.
  </p>
  
  @param declineInvitationsRequest
  @return Result of the DeclineInvitations operation returned by the service.
  @throws InternalException
  Internal server error.
  @throws InvalidInputException
  The request was rejected because an invalid or out-of-range value was supplied for an input parameter.
  @throws InvalidAccessException
  AWS Security Hub is not enabled for the account used to make this request.
  @throws ResourceNotFoundException
  The request was rejected because the specified resource cannot be found.
  @sample AWSSecurityHub.DeclineInvitations
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/securityhub-2018-10-26/DeclineInvitations" target="_top">AWS
  API Documentation</a>