'Access the validation_requests
:returns: twilio.rest.api.v2010.account.validation_request.ValidationRequestList
:rtype: twilio.rest.api.v2010.account.validation_request.ValidationRequestList'

@property
def validation_requests(self):

    if (self._validation_requests is None):
        self._validation_requests = ValidationRequestList(self._version, account_sid=self._solution['sid'])
    return self._validation_requests
