Update estimate docs with realtime changes (#2177)

Co-authored-by: ci.datadog-api-spec <[email protected]>

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

.apigentools-info

@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-09-25 18:52:40.246446",
-            "spec_repo_commit": "1fa8186c"
+            "regenerated": "2024-09-26 19:34:36.904910",
+            "spec_repo_commit": "83debf9e"
         },
         "v2": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-09-25 18:52:40.260078",
-            "spec_repo_commit": "1fa8186c"
+            "regenerated": "2024-09-26 19:34:36.918924",
+            "spec_repo_commit": "83debf9e"
         }
     }
 }

.generator/schemas/v2/openapi.yaml

@@ -32775,8 +32775,7 @@ paths:
         schema:
           type: string
       - description: The number of hours of look back (from now) to estimate cardinality
-          with. Estimates are based on historical data, and unspecified fields default
-          to the minimum 49 hours.
+          with. If unspecified, it defaults to 0 hours.
         example: 49
         in: query
         name: filter[hours_ago]
@@ -32805,7 +32804,7 @@ paths:
         schema:
           type: boolean
       - description: A window, in hours, from the look back to estimate cardinality
-          with.
+          with. The minimum and default is 1 hour.
         example: 6
         in: query
         name: filter[timespan_h]

src/datadog_api_client/v2/api/metrics_api.py

@@ -573,13 +573,13 @@ def estimate_metrics_output_series(
         :type metric_name: str
         :param filter_groups: Filtered tag keys that the metric is configured to query with.
         :type filter_groups: str, optional
-        :param filter_hours_ago: The number of hours of look back (from now) to estimate cardinality with. Estimates are based on historical data, and unspecified fields default to the minimum 49 hours.
+        :param filter_hours_ago: The number of hours of look back (from now) to estimate cardinality with. If unspecified, it defaults to 0 hours.
         :type filter_hours_ago: int, optional
         :param filter_num_aggregations: The number of aggregations that a ``count`` , ``rate`` , or ``gauge`` metric is configured to use. Max number of aggregation combos is 9.
         :type filter_num_aggregations: int, optional
         :param filter_pct: A boolean, for distribution metrics only, to estimate cardinality if the metric includes additional percentile aggregators.
         :type filter_pct: bool, optional
-        :param filter_timespan_h: A window, in hours, from the look back to estimate cardinality with.
+        :param filter_timespan_h: A window, in hours, from the look back to estimate cardinality with. The minimum and default is 1 hour.
         :type filter_timespan_h: int, optional
         :rtype: MetricEstimateResponse
         """