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<?php
# Generated by the protocol buffer compiler.  DO NOT EDIT!
# source: google/api/quota.proto

namespace Google\Api;

use Google\Protobuf\Internal\GPBType;
use Google\Protobuf\Internal\RepeatedField;
use Google\Protobuf\Internal\GPBUtil;

/**
 * `QuotaLimit` defines a specific limit that applies over a specified duration
 * for a limit type. There can be at most one limit for a duration and limit
 * type combination defined within a `QuotaGroup`.
 *
 * Generated from protobuf message <code>google.api.QuotaLimit</code>
 */
class QuotaLimit extends \Google\Protobuf\Internal\Message
{
    /**
     * Name of the quota limit. The name is used to refer to the limit when
     * overriding the default limit on per-consumer basis.
     * For group-based quota limits, the name must be unique within the quota
     * group. If a name is not provided, it will be generated from the limit_by
     * and duration fields.
     * For metric-based quota limits, the name must be provided, and it must be
     * unique within the service. The name can only include alphanumeric
     * characters as well as '-'.
     * The maximum length of the limit name is 64 characters.
     * The name of a limit is used as a unique identifier for this limit.
     * Therefore, once a limit has been put into use, its name should be
     * immutable. You can use the display_name field to provide a user-friendly
     * name for the limit. The display name can be evolved over time without
     * affecting the identity of the limit.
     *
     * Generated from protobuf field <code>string name = 6;</code>
     */
    private $name = '';
    /**
     * Optional. User-visible, extended description for this quota limit.
     * Should be used only when more context is needed to understand this limit
     * than provided by the limit's display name (see: `display_name`).
     *
     * Generated from protobuf field <code>string description = 2;</code>
     */
    private $description = '';
    /**
     * Default number of tokens that can be consumed during the specified
     * duration. This is the number of tokens assigned when a client
     * application developer activates the service for his/her project.
     * Specifying a value of 0 will block all requests. This can be used if you
     * are provisioning quota to selected consumers and blocking others.
     * Similarly, a value of -1 will indicate an unlimited quota. No other
     * negative values are allowed.
     * Used by group-based quotas only.
     *
     * Generated from protobuf field <code>int64 default_limit = 3;</code>
     */
    private $default_limit = 0;
    /**
     * Maximum number of tokens that can be consumed during the specified
     * duration. Client application developers can override the default limit up
     * to this maximum. If specified, this value cannot be set to a value less
     * than the default limit. If not specified, it is set to the default limit.
     * To allow clients to apply overrides with no upper bound, set this to -1,
     * indicating unlimited maximum quota.
     * Used by group-based quotas only.
     *
     * Generated from protobuf field <code>int64 max_limit = 4;</code>
     */
    private $max_limit = 0;
    /**
     * Free tier value displayed in the Developers Console for this limit.
     * The free tier is the number of tokens that will be subtracted from the
     * billed amount when billing is enabled.
     * This field can only be set on a limit with duration "1d", in a billable
     * group; it is invalid on any other limit. If this field is not set, it
     * defaults to 0, indicating that there is no free tier for this service.
     * Used by group-based quotas only.
     *
     * Generated from protobuf field <code>int64 free_tier = 7;</code>
     */
    private $free_tier = 0;
    /**
     * Duration of this limit in textual notation. Example: "100s", "24h", "1d".
     * For duration longer than a day, only multiple of days is supported. We
     * support only "100s" and "1d" for now. Additional support will be added in
     * the future. "0" indicates indefinite duration.
     * Used by group-based quotas only.
     *
     * Generated from protobuf field <code>string duration = 5;</code>
     */
    private $duration = '';
    /**
     * The name of the metric this quota limit applies to. The quota limits with
     * the same metric will be checked together during runtime. The metric must be
     * defined within the service config.
     * Used by metric-based quotas only.
     *
     * Generated from protobuf field <code>string metric = 8;</code>
     */
    private $metric = '';
    /**
     * Specify the unit of the quota limit. It uses the same syntax as
     * [Metric.unit][]. The supported unit kinds are determined by the quota
     * backend system.
     * The [Google Service Control](https://cloud.google.com/service-control)
     * supports the following unit components:
     * * One of the time intevals:
     *   * "/min"  for quota every minute.
     *   * "/d"  for quota every 24 hours, starting 00:00 US Pacific Time.
     *   * Otherwise the quota won't be reset by time, such as storage limit.
     * * One and only one of the granted containers:
     *   * "/{organization}" quota for an organization.
     *   * "/{project}" quota for a project.
     *   * "/{folder}" quota for a folder.
     *   * "/{resource}" quota for a universal resource.
     * * Zero or more quota segmentation dimension. Not all combos are valid.
     *   * "/{region}" quota for every region. Not to be used with time intervals.
     *   * Otherwise the resources granted on the target is not segmented.
     *   * "/{zone}" quota for every zone. Not to be used with time intervals.
     *   * Otherwise the resources granted on the target is not segmented.
     *   * "/{resource}" quota for a resource associated with a project or org.
     * Here are some examples:
     * * "1/min/{project}" for quota per minute per project.
     * * "1/min/{user}" for quota per minute per user.
     * * "1/min/{organization}" for quota per minute per organization.
     * Note: the order of unit components is insignificant.
     * The "1" at the beginning is required to follow the metric unit syntax.
     * Used by metric-based quotas only.
     *
     * Generated from protobuf field <code>string unit = 9;</code>
     */
    private $unit = '';
    /**
     * Tiered limit values. Also allows for regional or zone overrides for these
     * values if "/{region}" or "/{zone}" is specified in the unit field.
     * Currently supported tiers from low to high:
     * VERY_LOW, LOW, STANDARD, HIGH, VERY_HIGH
     * To apply different limit values for users according to their tiers, specify
     * the values for the tiers you want to differentiate. For example:
     * {LOW:100, STANDARD:500, HIGH:1000, VERY_HIGH:5000}
     * The limit value for each tier is optional except for the tier STANDARD.
     * The limit value for an unspecified tier falls to the value of its next
     * tier towards tier STANDARD. For the above example, the limit value for tier
     * STANDARD is 500.
     * To apply the same limit value for all users, just specify limit value for
     * tier STANDARD. For example: {STANDARD:500}.
     * To apply a regional overide for a tier, add a map entry with key
     * "<TIER>/<region>", where <region> is a region name. Similarly, for a zone
     * override, add a map entry with key "<TIER>/{zone}".
     * Further, a wildcard can be used at the end of a zone name in order to
     * specify zone level overrides. For example:
     * LOW: 10, STANDARD: 50, HIGH: 100,
     * LOW/us-central1: 20, STANDARD/us-central1: 60, HIGH/us-central1: 200,
     * LOW/us-central1-*: 10, STANDARD/us-central1-*: 20, HIGH/us-central1-*: 80
     * The regional overrides tier set for each region must be the same as
     * the tier set for default limit values. Same rule applies for zone overrides
     * tier as well.
     * Used by metric-based quotas only.
     *
     * Generated from protobuf field <code>map<string, int64> values = 10;</code>
     */
    private $values;
    /**
     * User-visible display name for this limit.
     * Optional. If not set, the UI will provide a default display name based on
     * the quota configuration. This field can be used to override the default
     * display name generated from the configuration.
     *
     * Generated from protobuf field <code>string display_name = 12;</code>
     */
    private $display_name = '';

    /**
     * Constructor.
     *
     * @param array $data {
     *     Optional. Data for populating the Message object.
     *
     *     @type string $name
     *           Name of the quota limit. The name is used to refer to the limit when
     *           overriding the default limit on per-consumer basis.
     *           For group-based quota limits, the name must be unique within the quota
     *           group. If a name is not provided, it will be generated from the limit_by
     *           and duration fields.
     *           For metric-based quota limits, the name must be provided, and it must be
     *           unique within the service. The name can only include alphanumeric
     *           characters as well as '-'.
     *           The maximum length of the limit name is 64 characters.
     *           The name of a limit is used as a unique identifier for this limit.
     *           Therefore, once a limit has been put into use, its name should be
     *           immutable. You can use the display_name field to provide a user-friendly
     *           name for the limit. The display name can be evolved over time without
     *           affecting the identity of the limit.
     *     @type string $description
     *           Optional. User-visible, extended description for this quota limit.
     *           Should be used only when more context is needed to understand this limit
     *           than provided by the limit's display name (see: `display_name`).
     *     @type int|string $default_limit
     *           Default number of tokens that can be consumed during the specified
     *           duration. This is the number of tokens assigned when a client
     *           application developer activates the service for his/her project.
     *           Specifying a value of 0 will block all requests. This can be used if you
     *           are provisioning quota to selected consumers and blocking others.
     *           Similarly, a value of -1 will indicate an unlimited quota. No other
     *           negative values are allowed.
     *           Used by group-based quotas only.
     *     @type int|string $max_limit
     *           Maximum number of tokens that can be consumed during the specified
     *           duration. Client application developers can override the default limit up
     *           to this maximum. If specified, this value cannot be set to a value less
     *           than the default limit. If not specified, it is set to the default limit.
     *           To allow clients to apply overrides with no upper bound, set this to -1,
     *           indicating unlimited maximum quota.
     *           Used by group-based quotas only.
     *     @type int|string $free_tier
     *           Free tier value displayed in the Developers Console for this limit.
     *           The free tier is the number of tokens that will be subtracted from the
     *           billed amount when billing is enabled.
     *           This field can only be set on a limit with duration "1d", in a billable
     *           group; it is invalid on any other limit. If this field is not set, it
     *           defaults to 0, indicating that there is no free tier for this service.
     *           Used by group-based quotas only.
     *     @type string $duration
     *           Duration of this limit in textual notation. Example: "100s", "24h", "1d".
     *           For duration longer than a day, only multiple of days is supported. We
     *           support only "100s" and "1d" for now. Additional support will be added in
     *           the future. "0" indicates indefinite duration.
     *           Used by group-based quotas only.
     *     @type string $metric
     *           The name of the metric this quota limit applies to. The quota limits with
     *           the same metric will be checked together during runtime. The metric must be
     *           defined within the service config.
     *           Used by metric-based quotas only.
     *     @type string $unit
     *           Specify the unit of the quota limit. It uses the same syntax as
     *           [Metric.unit][]. The supported unit kinds are determined by the quota
     *           backend system.
     *           The [Google Service Control](https://cloud.google.com/service-control)
     *           supports the following unit components:
     *           * One of the time intevals:
     *             * "/min"  for quota every minute.
     *             * "/d"  for quota every 24 hours, starting 00:00 US Pacific Time.
     *             * Otherwise the quota won't be reset by time, such as storage limit.
     *           * One and only one of the granted containers:
     *             * "/{organization}" quota for an organization.
     *             * "/{project}" quota for a project.
     *             * "/{folder}" quota for a folder.
     *             * "/{resource}" quota for a universal resource.
     *           * Zero or more quota segmentation dimension. Not all combos are valid.
     *             * "/{region}" quota for every region. Not to be used with time intervals.
     *             * Otherwise the resources granted on the target is not segmented.
     *             * "/{zone}" quota for every zone. Not to be used with time intervals.
     *             * Otherwise the resources granted on the target is not segmented.
     *             * "/{resource}" quota for a resource associated with a project or org.
     *           Here are some examples:
     *           * "1/min/{project}" for quota per minute per project.
     *           * "1/min/{user}" for quota per minute per user.
     *           * "1/min/{organization}" for quota per minute per organization.
     *           Note: the order of unit components is insignificant.
     *           The "1" at the beginning is required to follow the metric unit syntax.
     *           Used by metric-based quotas only.
     *     @type array|\Google\Protobuf\Internal\MapField $values
     *           Tiered limit values. Also allows for regional or zone overrides for these
     *           values if "/{region}" or "/{zone}" is specified in the unit field.
     *           Currently supported tiers from low to high:
     *           VERY_LOW, LOW, STANDARD, HIGH, VERY_HIGH
     *           To apply different limit values for users according to their tiers, specify
     *           the values for the tiers you want to differentiate. For example:
     *           {LOW:100, STANDARD:500, HIGH:1000, VERY_HIGH:5000}
     *           The limit value for each tier is optional except for the tier STANDARD.
     *           The limit value for an unspecified tier falls to the value of its next
     *           tier towards tier STANDARD. For the above example, the limit value for tier
     *           STANDARD is 500.
     *           To apply the same limit value for all users, just specify limit value for
     *           tier STANDARD. For example: {STANDARD:500}.
     *           To apply a regional overide for a tier, add a map entry with key
     *           "<TIER>/<region>", where <region> is a region name. Similarly, for a zone
     *           override, add a map entry with key "<TIER>/{zone}".
     *           Further, a wildcard can be used at the end of a zone name in order to
     *           specify zone level overrides. For example:
     *           LOW: 10, STANDARD: 50, HIGH: 100,
     *           LOW/us-central1: 20, STANDARD/us-central1: 60, HIGH/us-central1: 200,
     *           LOW/us-central1-*: 10, STANDARD/us-central1-*: 20, HIGH/us-central1-*: 80
     *           The regional overrides tier set for each region must be the same as
     *           the tier set for default limit values. Same rule applies for zone overrides
     *           tier as well.
     *           Used by metric-based quotas only.
     *     @type string $display_name
     *           User-visible display name for this limit.
     *           Optional. If not set, the UI will provide a default display name based on
     *           the quota configuration. This field can be used to override the default
     *           display name generated from the configuration.
     * }
     */
    public function __construct($data = NULL) {
        \GPBMetadata\Google\Api\Quota::initOnce();
        parent::__construct($data);
    }

    /**
     * Name of the quota limit. The name is used to refer to the limit when
     * overriding the default limit on per-consumer basis.
     * For group-based quota limits, the name must be unique within the quota
     * group. If a name is not provided, it will be generated from the limit_by
     * and duration fields.
     * For metric-based quota limits, the name must be provided, and it must be
     * unique within the service. The name can only include alphanumeric
     * characters as well as '-'.
     * The maximum length of the limit name is 64 characters.
     * The name of a limit is used as a unique identifier for this limit.
     * Therefore, once a limit has been put into use, its name should be
     * immutable. You can use the display_name field to provide a user-friendly
     * name for the limit. The display name can be evolved over time without
     * affecting the identity of the limit.
     *
     * Generated from protobuf field <code>string name = 6;</code>
     * @return string
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * Name of the quota limit. The name is used to refer to the limit when
     * overriding the default limit on per-consumer basis.
     * For group-based quota limits, the name must be unique within the quota
     * group. If a name is not provided, it will be generated from the limit_by
     * and duration fields.
     * For metric-based quota limits, the name must be provided, and it must be
     * unique within the service. The name can only include alphanumeric
     * characters as well as '-'.
     * The maximum length of the limit name is 64 characters.
     * The name of a limit is used as a unique identifier for this limit.
     * Therefore, once a limit has been put into use, its name should be
     * immutable. You can use the display_name field to provide a user-friendly
     * name for the limit. The display name can be evolved over time without
     * affecting the identity of the limit.
     *
     * Generated from protobuf field <code>string name = 6;</code>
     * @param string $var
     * @return $this
     */
    public function setName($var)
    {
        GPBUtil::checkString($var, True);
        $this->name = $var;

        return $this;
    }

    /**
     * Optional. User-visible, extended description for this quota limit.
     * Should be used only when more context is needed to understand this limit
     * than provided by the limit's display name (see: `display_name`).
     *
     * Generated from protobuf field <code>string description = 2;</code>
     * @return string
     */
    public function getDescription()
    {
        return $this->description;
    }

    /**
     * Optional. User-visible, extended description for this quota limit.
     * Should be used only when more context is needed to understand this limit
     * than provided by the limit's display name (see: `display_name`).
     *
     * Generated from protobuf field <code>string description = 2;</code>
     * @param string $var
     * @return $this
     */
    public function setDescription($var)
    {
        GPBUtil::checkString($var, True);
        $this->description = $var;

        return $this;
    }

    /**
     * Default number of tokens that can be consumed during the specified
     * duration. This is the number of tokens assigned when a client
     * application developer activates the service for his/her project.
     * Specifying a value of 0 will block all requests. This can be used if you
     * are provisioning quota to selected consumers and blocking others.
     * Similarly, a value of -1 will indicate an unlimited quota. No other
     * negative values are allowed.
     * Used by group-based quotas only.
     *
     * Generated from protobuf field <code>int64 default_limit = 3;</code>
     * @return int|string
     */
    public function getDefaultLimit()
    {
        return $this->default_limit;
    }

    /**
     * Default number of tokens that can be consumed during the specified
     * duration. This is the number of tokens assigned when a client
     * application developer activates the service for his/her project.
     * Specifying a value of 0 will block all requests. This can be used if you
     * are provisioning quota to selected consumers and blocking others.
     * Similarly, a value of -1 will indicate an unlimited quota. No other
     * negative values are allowed.
     * Used by group-based quotas only.
     *
     * Generated from protobuf field <code>int64 default_limit = 3;</code>
     * @param int|string $var
     * @return $this
     */
    public function setDefaultLimit($var)
    {
        GPBUtil::checkInt64($var);
        $this->default_limit = $var;

        return $this;
    }

    /**
     * Maximum number of tokens that can be consumed during the specified
     * duration. Client application developers can override the default limit up
     * to this maximum. If specified, this value cannot be set to a value less
     * than the default limit. If not specified, it is set to the default limit.
     * To allow clients to apply overrides with no upper bound, set this to -1,
     * indicating unlimited maximum quota.
     * Used by group-based quotas only.
     *
     * Generated from protobuf field <code>int64 max_limit = 4;</code>
     * @return int|string
     */
    public function getMaxLimit()
    {
        return $this->max_limit;
    }

    /**
     * Maximum number of tokens that can be consumed during the specified
     * duration. Client application developers can override the default limit up
     * to this maximum. If specified, this value cannot be set to a value less
     * than the default limit. If not specified, it is set to the default limit.
     * To allow clients to apply overrides with no upper bound, set this to -1,
     * indicating unlimited maximum quota.
     * Used by group-based quotas only.
     *
     * Generated from protobuf field <code>int64 max_limit = 4;</code>
     * @param int|string $var
     * @return $this
     */
    public function setMaxLimit($var)
    {
        GPBUtil::checkInt64($var);
        $this->max_limit = $var;

        return $this;
    }

    /**
     * Free tier value displayed in the Developers Console for this limit.
     * The free tier is the number of tokens that will be subtracted from the
     * billed amount when billing is enabled.
     * This field can only be set on a limit with duration "1d", in a billable
     * group; it is invalid on any other limit. If this field is not set, it
     * defaults to 0, indicating that there is no free tier for this service.
     * Used by group-based quotas only.
     *
     * Generated from protobuf field <code>int64 free_tier = 7;</code>
     * @return int|string
     */
    public function getFreeTier()
    {
        return $this->free_tier;
    }

    /**
     * Free tier value displayed in the Developers Console for this limit.
     * The free tier is the number of tokens that will be subtracted from the
     * billed amount when billing is enabled.
     * This field can only be set on a limit with duration "1d", in a billable
     * group; it is invalid on any other limit. If this field is not set, it
     * defaults to 0, indicating that there is no free tier for this service.
     * Used by group-based quotas only.
     *
     * Generated from protobuf field <code>int64 free_tier = 7;</code>
     * @param int|string $var
     * @return $this
     */
    public function setFreeTier($var)
    {
        GPBUtil::checkInt64($var);
        $this->free_tier = $var;

        return $this;
    }

    /**
     * Duration of this limit in textual notation. Example: "100s", "24h", "1d".
     * For duration longer than a day, only multiple of days is supported. We
     * support only "100s" and "1d" for now. Additional support will be added in
     * the future. "0" indicates indefinite duration.
     * Used by group-based quotas only.
     *
     * Generated from protobuf field <code>string duration = 5;</code>
     * @return string
     */
    public function getDuration()
    {
        return $this->duration;
    }

    /**
     * Duration of this limit in textual notation. Example: "100s", "24h", "1d".
     * For duration longer than a day, only multiple of days is supported. We
     * support only "100s" and "1d" for now. Additional support will be added in
     * the future. "0" indicates indefinite duration.
     * Used by group-based quotas only.
     *
     * Generated from protobuf field <code>string duration = 5;</code>
     * @param string $var
     * @return $this
     */
    public function setDuration($var)
    {
        GPBUtil::checkString($var, True);
        $this->duration = $var;

        return $this;
    }

    /**
     * The name of the metric this quota limit applies to. The quota limits with
     * the same metric will be checked together during runtime. The metric must be
     * defined within the service config.
     * Used by metric-based quotas only.
     *
     * Generated from protobuf field <code>string metric = 8;</code>
     * @return string
     */
    public function getMetric()
    {
        return $this->metric;
    }

    /**
     * The name of the metric this quota limit applies to. The quota limits with
     * the same metric will be checked together during runtime. The metric must be
     * defined within the service config.
     * Used by metric-based quotas only.
     *
     * Generated from protobuf field <code>string metric = 8;</code>
     * @param string $var
     * @return $this
     */
    public function setMetric($var)
    {
        GPBUtil::checkString($var, True);
        $this->metric = $var;

        return $this;
    }

    /**
     * Specify the unit of the quota limit. It uses the same syntax as
     * [Metric.unit][]. The supported unit kinds are determined by the quota
     * backend system.
     * The [Google Service Control](https://cloud.google.com/service-control)
     * supports the following unit components:
     * * One of the time intevals:
     *   * "/min"  for quota every minute.
     *   * "/d"  for quota every 24 hours, starting 00:00 US Pacific Time.
     *   * Otherwise the quota won't be reset by time, such as storage limit.
     * * One and only one of the granted containers:
     *   * "/{organization}" quota for an organization.
     *   * "/{project}" quota for a project.
     *   * "/{folder}" quota for a folder.
     *   * "/{resource}" quota for a universal resource.
     * * Zero or more quota segmentation dimension. Not all combos are valid.
     *   * "/{region}" quota for every region. Not to be used with time intervals.
     *   * Otherwise the resources granted on the target is not segmented.
     *   * "/{zone}" quota for every zone. Not to be used with time intervals.
     *   * Otherwise the resources granted on the target is not segmented.
     *   * "/{resource}" quota for a resource associated with a project or org.
     * Here are some examples:
     * * "1/min/{project}" for quota per minute per project.
     * * "1/min/{user}" for quota per minute per user.
     * * "1/min/{organization}" for quota per minute per organization.
     * Note: the order of unit components is insignificant.
     * The "1" at the beginning is required to follow the metric unit syntax.
     * Used by metric-based quotas only.
     *
     * Generated from protobuf field <code>string unit = 9;</code>
     * @return string
     */
    public function getUnit()
    {
        return $this->unit;
    }

    /**
     * Specify the unit of the quota limit. It uses the same syntax as
     * [Metric.unit][]. The supported unit kinds are determined by the quota
     * backend system.
     * The [Google Service Control](https://cloud.google.com/service-control)
     * supports the following unit components:
     * * One of the time intevals:
     *   * "/min"  for quota every minute.
     *   * "/d"  for quota every 24 hours, starting 00:00 US Pacific Time.
     *   * Otherwise the quota won't be reset by time, such as storage limit.
     * * One and only one of the granted containers:
     *   * "/{organization}" quota for an organization.
     *   * "/{project}" quota for a project.
     *   * "/{folder}" quota for a folder.
     *   * "/{resource}" quota for a universal resource.
     * * Zero or more quota segmentation dimension. Not all combos are valid.
     *   * "/{region}" quota for every region. Not to be used with time intervals.
     *   * Otherwise the resources granted on the target is not segmented.
     *   * "/{zone}" quota for every zone. Not to be used with time intervals.
     *   * Otherwise the resources granted on the target is not segmented.
     *   * "/{resource}" quota for a resource associated with a project or org.
     * Here are some examples:
     * * "1/min/{project}" for quota per minute per project.
     * * "1/min/{user}" for quota per minute per user.
     * * "1/min/{organization}" for quota per minute per organization.
     * Note: the order of unit components is insignificant.
     * The "1" at the beginning is required to follow the metric unit syntax.
     * Used by metric-based quotas only.
     *
     * Generated from protobuf field <code>string unit = 9;</code>
     * @param string $var
     * @return $this
     */
    public function setUnit($var)
    {
        GPBUtil::checkString($var, True);
        $this->unit = $var;

        return $this;
    }

    /**
     * Tiered limit values. Also allows for regional or zone overrides for these
     * values if "/{region}" or "/{zone}" is specified in the unit field.
     * Currently supported tiers from low to high:
     * VERY_LOW, LOW, STANDARD, HIGH, VERY_HIGH
     * To apply different limit values for users according to their tiers, specify
     * the values for the tiers you want to differentiate. For example:
     * {LOW:100, STANDARD:500, HIGH:1000, VERY_HIGH:5000}
     * The limit value for each tier is optional except for the tier STANDARD.
     * The limit value for an unspecified tier falls to the value of its next
     * tier towards tier STANDARD. For the above example, the limit value for tier
     * STANDARD is 500.
     * To apply the same limit value for all users, just specify limit value for
     * tier STANDARD. For example: {STANDARD:500}.
     * To apply a regional overide for a tier, add a map entry with key
     * "<TIER>/<region>", where <region> is a region name. Similarly, for a zone
     * override, add a map entry with key "<TIER>/{zone}".
     * Further, a wildcard can be used at the end of a zone name in order to
     * specify zone level overrides. For example:
     * LOW: 10, STANDARD: 50, HIGH: 100,
     * LOW/us-central1: 20, STANDARD/us-central1: 60, HIGH/us-central1: 200,
     * LOW/us-central1-*: 10, STANDARD/us-central1-*: 20, HIGH/us-central1-*: 80
     * The regional overrides tier set for each region must be the same as
     * the tier set for default limit values. Same rule applies for zone overrides
     * tier as well.
     * Used by metric-based quotas only.
     *
     * Generated from protobuf field <code>map<string, int64> values = 10;</code>
     * @return \Google\Protobuf\Internal\MapField
     */
    public function getValues()
    {
        return $this->values;
    }

    /**
     * Tiered limit values. Also allows for regional or zone overrides for these
     * values if "/{region}" or "/{zone}" is specified in the unit field.
     * Currently supported tiers from low to high:
     * VERY_LOW, LOW, STANDARD, HIGH, VERY_HIGH
     * To apply different limit values for users according to their tiers, specify
     * the values for the tiers you want to differentiate. For example:
     * {LOW:100, STANDARD:500, HIGH:1000, VERY_HIGH:5000}
     * The limit value for each tier is optional except for the tier STANDARD.
     * The limit value for an unspecified tier falls to the value of its next
     * tier towards tier STANDARD. For the above example, the limit value for tier
     * STANDARD is 500.
     * To apply the same limit value for all users, just specify limit value for
     * tier STANDARD. For example: {STANDARD:500}.
     * To apply a regional overide for a tier, add a map entry with key
     * "<TIER>/<region>", where <region> is a region name. Similarly, for a zone
     * override, add a map entry with key "<TIER>/{zone}".
     * Further, a wildcard can be used at the end of a zone name in order to
     * specify zone level overrides. For example:
     * LOW: 10, STANDARD: 50, HIGH: 100,
     * LOW/us-central1: 20, STANDARD/us-central1: 60, HIGH/us-central1: 200,
     * LOW/us-central1-*: 10, STANDARD/us-central1-*: 20, HIGH/us-central1-*: 80
     * The regional overrides tier set for each region must be the same as
     * the tier set for default limit values. Same rule applies for zone overrides
     * tier as well.
     * Used by metric-based quotas only.
     *
     * Generated from protobuf field <code>map<string, int64> values = 10;</code>
     * @param array|\Google\Protobuf\Internal\MapField $var
     * @return $this
     */
    public function setValues($var)
    {
        $arr = GPBUtil::checkMapField($var, \Google\Protobuf\Internal\GPBType::STRING, \Google\Protobuf\Internal\GPBType::INT64);
        $this->values = $arr;

        return $this;
    }

    /**
     * User-visible display name for this limit.
     * Optional. If not set, the UI will provide a default display name based on
     * the quota configuration. This field can be used to override the default
     * display name generated from the configuration.
     *
     * Generated from protobuf field <code>string display_name = 12;</code>
     * @return string
     */
    public function getDisplayName()
    {
        return $this->display_name;
    }

    /**
     * User-visible display name for this limit.
     * Optional. If not set, the UI will provide a default display name based on
     * the quota configuration. This field can be used to override the default
     * display name generated from the configuration.
     *
     * Generated from protobuf field <code>string display_name = 12;</code>
     * @param string $var
     * @return $this
     */
    public function setDisplayName($var)
    {
        GPBUtil::checkString($var, True);
        $this->display_name = $var;

        return $this;
    }

}