public function setAccounts_count($accounts_count = null)
{
// validation for constraint: int
if (!is_null($accounts_count) && !is_numeric($accounts_count)) {
throw new \InvalidArgumentException(sprintf('Invalid value, please provide a numeric value, "%s" given', gettype($accounts_count)), __LINE__);
}
$this->accounts_count = $accounts_count;
return $this;
}