fix(client)!: use readonly types for properties

Author: stainless-app[bot]

src/Orb/Models/AdjustmentInterval.cs

@@ -71,7 +71,7 @@ public required AdjustmentIntervalAdjustment Adjustment
     /// <summary>
     /// The price interval IDs that this adjustment applies to.
     /// </summary>
-    public required List<string> AppliesToPriceIntervalIDs
+    public required IReadOnlyList<string> AppliesToPriceIntervalIDs
     {
         get
         {

src/Orb/Models/AggregatedCost.cs

@@ -12,7 +12,7 @@ namespace Orb.Models;
 [JsonConverter(typeof(ModelConverter<AggregatedCost, AggregatedCostFromRaw>))]
 public sealed record class AggregatedCost : ModelBase
 {
-    public required List<PerPriceCost> PerPriceCosts
+    public required IReadOnlyList<PerPriceCost> PerPriceCosts
     {
         get
         {

src/Orb/Models/Alerts/Alert.cs

@@ -214,7 +214,7 @@ public required SubscriptionMinified? Subscription
     /// <summary>
     /// The thresholds that define the conditions under which the alert will be triggered.
     /// </summary>
-    public required List<Threshold>? Thresholds
+    public required IReadOnlyList<Threshold>? Thresholds
     {
         get
         {
@@ -265,7 +265,7 @@ public required ApiEnum<string, AlertType> Type
     /// <summary>
     /// The current status of the alert. This field is only present for credit balance alerts.
     /// </summary>
-    public List<BalanceAlertStatus>? BalanceAlertStatus
+    public IReadOnlyList<BalanceAlertStatus>? BalanceAlertStatus
     {
         get
         {

src/Orb/Models/Alerts/AlertCreateForCustomerParams.cs

@@ -87,7 +87,7 @@ public required string Currency
     /// <summary>
     /// The thresholds that define the values at which the alert will be triggered.
     /// </summary>
-    public List<Threshold>? Thresholds
+    public IReadOnlyList<Threshold>? Thresholds
     {
         get
         {

src/Orb/Models/Alerts/AlertCreateForExternalCustomerParams.cs

@@ -87,7 +87,7 @@ public required ApiEnum<string, TypeModel> Type
     /// <summary>
     /// The thresholds that define the values at which the alert will be triggered.
     /// </summary>
-    public List<Threshold>? Thresholds
+    public IReadOnlyList<Threshold>? Thresholds
     {
         get
         {

src/Orb/Models/Alerts/AlertCreateForSubscriptionParams.cs

@@ -37,7 +37,7 @@ public IReadOnlyDictionary<string, JsonElement> RawBodyData
     /// <summary>
     /// The thresholds that define the values at which the alert will be triggered.
     /// </summary>
-    public required List<Threshold> Thresholds
+    public required IReadOnlyList<Threshold> Thresholds
     {
         get
         {

src/Orb/Models/Alerts/AlertListPageResponse.cs

@@ -12,7 +12,7 @@ namespace Orb.Models.Alerts;
 [JsonConverter(typeof(ModelConverter<AlertListPageResponse, AlertListPageResponseFromRaw>))]
 public sealed record class AlertListPageResponse : ModelBase
 {
-    public required List<Alert> Data
+    public required IReadOnlyList<Alert> Data
     {
         get
         {

src/Orb/Models/Alerts/AlertUpdateParams.cs

@@ -26,7 +26,7 @@ public IReadOnlyDictionary<string, JsonElement> RawBodyData
     /// <summary>
     /// The thresholds that define the values at which the alert will be triggered.
     /// </summary>
-    public required List<Threshold> Thresholds
+    public required IReadOnlyList<Threshold> Thresholds
     {
         get
         {

src/Orb/Models/Allocation.cs

@@ -82,7 +82,7 @@ public required CustomExpiration? CustomExpiration
         }
     }
 
-    public List<Filter>? Filters
+    public IReadOnlyList<Filter>? Filters
     {
         get
         {
@@ -203,7 +203,7 @@ public required ApiEnum<string, Operator> Operator
     /// <summary>
     /// The IDs or values that match this filter.
     /// </summary>
-    public required List<string> Values
+    public required IReadOnlyList<string> Values
     {
         get
         {

src/Orb/Models/AmountDiscount.cs

@@ -74,7 +74,7 @@ public required ApiEnum<string, DiscountType> DiscountType
     /// List of price_ids that this discount applies to. For plan/plan phase discounts,
     /// this can be a subset of prices.
     /// </summary>
-    public List<string>? AppliesToPriceIDs
+    public IReadOnlyList<string>? AppliesToPriceIDs
     {
         get
         {
@@ -95,7 +95,7 @@ public List<string>? AppliesToPriceIDs
     /// <summary>
     /// The filters that determine which prices to apply this discount to.
     /// </summary>
-    public List<FilterModel>? Filters
+    public IReadOnlyList<FilterModel>? Filters
     {
         get
         {
@@ -274,7 +274,7 @@ public required ApiEnum<string, FilterModelOperator> Operator
     /// <summary>
     /// The IDs or values that match this filter.
     /// </summary>
-    public required List<string> Values
+    public required IReadOnlyList<string> Values
     {
         get
         {