Regenerate client from commit 1a314fa of spec repo (#4400)

Co-authored-by: ci.datadog-api-spec <packages@datadoghq.com>

Author: api-clients-generation-pipeline[bot]

.generator/schemas/v1/openapi.yaml

@@ -22813,10 +22813,11 @@ components:
       description: |-
         Response with hourly report of all data billed by Datadog for all organizations.
 
-        Newly added billing dimensions and usage types appear as untyped keys on the
-        `additionalProperties` map instead of as typed fields. Call
-        `GET /api/v2/usage/summary/available_fields` to enumerate every key returned
-        at this response level—both typed fields and `additionalProperties` keys.
+        For SDK users only: all fields at this response level are accessible through the
+        `additionalProperties` map. Existing typed-field getters are unchanged. New billing
+        dimensions will not have typed-field getters. Use
+        [Get available fields for usage summary](https://docs.datadoghq.com/api/latest/usage-metering/#get-usage-summary-available-fields)
+        to enumerate every available key.
       properties:
         agent_host_top99p:
           description: Shows the 99th percentile of all agent hosts over all hours in the current date for all organizations.
@@ -24115,10 +24116,11 @@ components:
       description: |-
         Global hourly report of all data billed by Datadog for a given organization.
 
-        Newly added billing dimensions and usage types appear as untyped keys on the
-        `additionalProperties` map instead of as typed fields. Call
-        `GET /api/v2/usage/summary/available_fields` to enumerate every key returned
-        at this response level—both typed fields and `additionalProperties` keys.
+        For SDK users only: all fields at this response level are accessible through the
+        `additionalProperties` map. Existing typed-field getters are unchanged. New billing
+        dimensions will not have typed-field getters. Use
+        [Get available fields for usage summary](https://docs.datadoghq.com/api/latest/usage-metering/#get-usage-summary-available-fields)
+        to enumerate every available key.
       properties:
         account_name:
           description: The account name.
@@ -25436,10 +25438,11 @@ components:
         Response summarizing all usage aggregated across the months in the request for
         all organizations, and broken down by month and by organization.
 
-        Newly added billing dimensions and usage types appear as untyped keys on the
-        `additionalProperties` map instead of as typed fields. Call
-        `GET /api/v2/usage/summary/available_fields` to enumerate every key returned
-        at this response level—both typed fields and `additionalProperties` keys.
+        For SDK users only: all fields at this response level are accessible through the
+        `additionalProperties` map. Existing typed-field getters are unchanged. New billing
+        dimensions will not have typed-field getters. Use
+        [Get available fields for usage summary](https://docs.datadoghq.com/api/latest/usage-metering/#get-usage-summary-available-fields)
+        to enumerate every available key.
       properties:
         agent_host_top99p_sum:
           description: Shows the 99th percentile of all agent hosts over all hours in the current month for all organizations.
@@ -43215,11 +43218,12 @@ paths:
       description: |-
         Get all usage across your account.
 
-        Newly added billing dimensions and usage types appear as untyped keys on the
-        `additionalProperties` map of `UsageSummaryResponse`, `UsageSummaryDate`, and
-        `UsageSummaryDateOrg` instead of as typed fields. Call
-        `GET /api/v2/usage/summary/available_fields` to enumerate every key returned
-        at each response level—both typed fields and `additionalProperties` keys.
+        For SDK users only: all fields on `UsageSummaryResponse`, `UsageSummaryDate`, and
+        `UsageSummaryDateOrg` are accessible through each object's `additionalProperties` map.
+        Existing typed-field getters are unchanged. New billing dimensions will not have
+        typed-field getters. Use
+        [Get available fields for usage summary](https://docs.datadoghq.com/api/latest/usage-metering/#get-usage-summary-available-fields)
+        to enumerate every available key at each response level.
 
         This endpoint is only accessible for [parent-level organizations](https://docs.datadoghq.com/account_management/multi_organization/).
       operationId: GetUsageSummary

.generator/schemas/v2/openapi.yaml

@@ -187306,6 +187306,37 @@ paths:
         dimensions and usage types added after the v1 schema freeze).
 
         This endpoint is only accessible for [parent-level organizations](https://docs.datadoghq.com/account_management/multi_organization/).
+
+        Go example:
+
+        ```go
+        fields, _, err := api.GetUsageSummaryAvailableFields(ctx)
+        attr := fields.Data.GetAttributes()
+
+        // resp is the *UsageSummaryResponse returned by api.GetUsageSummary(ctx, ...)
+        // Layer 1: UsageSummaryResponse
+        for _, key := range attr.GetResponseFields() {
+            if val, ok := resp.AdditionalProperties[key]; ok {
+                fmt.Println(key, val.(json.Number))
+            }
+        }
+        // Layer 2: UsageSummaryDate (per month)
+        for _, date := range resp.GetUsage() {
+            for _, key := range attr.GetDateFields() {
+                if val, ok := date.AdditionalProperties[key]; ok {
+                    fmt.Println(key, val.(json.Number))
+                }
+            }
+            // Layer 3: UsageSummaryDateOrg (per org per month)
+            for _, org := range date.GetOrgs() {
+                for _, key := range attr.GetDateOrgFields() {
+                    if val, ok := org.AdditionalProperties[key]; ok {
+                        fmt.Println(key, val.(json.Number))
+                    }
+                }
+            }
+        }
+        ```
       operationId: GetUsageSummaryAvailableFields
       responses:
         "200":

packages/datadog-api-client-v1/apis/UsageMeteringApi.ts

@@ -5785,11 +5785,12 @@ export class UsageMeteringApi {
   /**
    * Get all usage across your account.
    *
-   * Newly added billing dimensions and usage types appear as untyped keys on the
-   * `additionalProperties` map of `UsageSummaryResponse`, `UsageSummaryDate`, and
-   * `UsageSummaryDateOrg` instead of as typed fields. Call
-   * `GET /api/v2/usage/summary/available_fields` to enumerate every key returned
-   * at each response level—both typed fields and `additionalProperties` keys.
+   * For SDK users only: all fields on `UsageSummaryResponse`, `UsageSummaryDate`, and
+   * `UsageSummaryDateOrg` are accessible through each object's `additionalProperties` map.
+   * Existing typed-field getters are unchanged. New billing dimensions will not have
+   * typed-field getters. Use
+   * [Get available fields for usage summary](https://docs.datadoghq.com/api/latest/usage-metering/#get-usage-summary-available-fields)
+   * to enumerate every available key at each response level.
    *
    * This endpoint is only accessible for [parent-level organizations](https://docs.datadoghq.com/account_management/multi_organization/).
    * @param param The request object

packages/datadog-api-client-v1/models/UsageSummaryDate.ts

@@ -10,10 +10,11 @@ import { AttributeTypeMap } from "../../datadog-api-client-common/util";
 /**
  * Response with hourly report of all data billed by Datadog for all organizations.
  *
- * Newly added billing dimensions and usage types appear as untyped keys on the
- * `additionalProperties` map instead of as typed fields. Call
- * `GET /api/v2/usage/summary/available_fields` to enumerate every key returned
- * at this response level—both typed fields and `additionalProperties` keys.
+ * For SDK users only: all fields at this response level are accessible through the
+ * `additionalProperties` map. Existing typed-field getters are unchanged. New billing
+ * dimensions will not have typed-field getters. Use
+ * [Get available fields for usage summary](https://docs.datadoghq.com/api/latest/usage-metering/#get-usage-summary-available-fields)
+ * to enumerate every available key.
  */
 export class UsageSummaryDate {
   /**

packages/datadog-api-client-v1/models/UsageSummaryDateOrg.ts

@@ -9,10 +9,11 @@ import { AttributeTypeMap } from "../../datadog-api-client-common/util";
 /**
  * Global hourly report of all data billed by Datadog for a given organization.
  *
- * Newly added billing dimensions and usage types appear as untyped keys on the
- * `additionalProperties` map instead of as typed fields. Call
- * `GET /api/v2/usage/summary/available_fields` to enumerate every key returned
- * at this response level—both typed fields and `additionalProperties` keys.
+ * For SDK users only: all fields at this response level are accessible through the
+ * `additionalProperties` map. Existing typed-field getters are unchanged. New billing
+ * dimensions will not have typed-field getters. Use
+ * [Get available fields for usage summary](https://docs.datadoghq.com/api/latest/usage-metering/#get-usage-summary-available-fields)
+ * to enumerate every available key.
  */
 export class UsageSummaryDateOrg {
   /**

packages/datadog-api-client-v1/models/UsageSummaryResponse.ts

@@ -12,10 +12,11 @@ import { AttributeTypeMap } from "../../datadog-api-client-common/util";
  * Response summarizing all usage aggregated across the months in the request for
  * all organizations, and broken down by month and by organization.
  *
- * Newly added billing dimensions and usage types appear as untyped keys on the
- * `additionalProperties` map instead of as typed fields. Call
- * `GET /api/v2/usage/summary/available_fields` to enumerate every key returned
- * at this response level—both typed fields and `additionalProperties` keys.
+ * For SDK users only: all fields at this response level are accessible through the
+ * `additionalProperties` map. Existing typed-field getters are unchanged. New billing
+ * dimensions will not have typed-field getters. Use
+ * [Get available fields for usage summary](https://docs.datadoghq.com/api/latest/usage-metering/#get-usage-summary-available-fields)
+ * to enumerate every available key.
  */
 export class UsageSummaryResponse {
   /**

packages/datadog-api-client-v2/apis/UsageMeteringApi.ts

@@ -2208,6 +2208,37 @@ export class UsageMeteringApi {
    * dimensions and usage types added after the v1 schema freeze).
    *
    * This endpoint is only accessible for [parent-level organizations](https://docs.datadoghq.com/account_management/multi_organization/).
+   *
+   * Go example:
+   *
+   * ```go
+   * fields, _, err := api.GetUsageSummaryAvailableFields(ctx)
+   * attr := fields.Data.GetAttributes()
+   *
+   * // resp is the *UsageSummaryResponse returned by api.GetUsageSummary(ctx, ...)
+   * // Layer 1: UsageSummaryResponse
+   * for _, key := range attr.GetResponseFields() {
+   *     if val, ok := resp.AdditionalProperties[key]; ok {
+   *         fmt.Println(key, val.(json.Number))
+   *     }
+   * }
+   * // Layer 2: UsageSummaryDate (per month)
+   * for _, date := range resp.GetUsage() {
+   *     for _, key := range attr.GetDateFields() {
+   *         if val, ok := date.AdditionalProperties[key]; ok {
+   *             fmt.Println(key, val.(json.Number))
+   *         }
+   *     }
+   *     // Layer 3: UsageSummaryDateOrg (per org per month)
+   *     for _, org := range date.GetOrgs() {
+   *         for _, key := range attr.GetDateOrgFields() {
+   *             if val, ok := org.AdditionalProperties[key]; ok {
+   *                 fmt.Println(key, val.(json.Number))
+   *             }
+   *         }
+   *     }
+   * }
+   * ```
    * @param param The request object
    */
   public getUsageSummaryAvailableFields(