Monitoring/src/V3/NotificationChannelDescriptor.php
public function setSupportedTiers($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::ENUM, \Google\Cloud\Monitoring\V3\ServiceTier::class);
        $this->supported_tiers = $arr;

        return $this;
    }
public function setSupportedTiers($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::ENUM, \Google\Cloud\Monitoring\V3\ServiceTier::class);
        $this->supported_tiers = $arr;

        return $this;
    }
public function setSupportedTiers ( $ var ) { $ arr = GPBUtil :: checkRepeatedField ( $ var , \ Google \ Protobuf \ Internal \ GPBType :: ENUM , \ Google \ Cloud \ Monitoring \ V3 \ ServiceTier :: class ) ; $ this -> supported_tiers = $ arr ; return $ this ; }
The tiers that support this notification channel; the project service tier
must be one of the supported_tiers.

Generated from protobuf field <code>repeated .google.monitoring.v3.ServiceTier supported_tiers = 5 [deprecated = true];</code>
@param int[]|\Google\Protobuf\Internal\RepeatedField $var
@return $this
The tiers that support this notification channel ; the project service tier must be one of the supported_tiers .