Update estimate docs with realtime changes (#2024)

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 18:54:10.257631",
-            "spec_repo_commit": "1fa8186c"
+            "regenerated": "2024-09-26 19:34:33.342614",
+            "spec_repo_commit": "83debf9e"
         },
         "v2": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-09-25 18:54:10.272586",
-            "spec_repo_commit": "1fa8186c"
+            "regenerated": "2024-09-26 19:34:33.356783",
+            "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]

lib/datadog_api_client/v2/api/metrics_api.rb

@@ -323,10 +323,10 @@ def estimate_metrics_output_series(metric_name, opts = {})
     # @param metric_name [String] The name of the metric.
     # @param opts [Hash] the optional parameters
     # @option opts [String] :filter_groups Filtered tag keys that the metric is configured to query with.
-    # @option opts [Integer] :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.
+    # @option opts [Integer] :filter_hours_ago The number of hours of look back (from now) to estimate cardinality with. If unspecified, it defaults to 0 hours.
     # @option opts [Integer] :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.
     # @option opts [Boolean] :filter_pct A boolean, for distribution metrics only, to estimate cardinality if the metric includes additional percentile aggregators.
-    # @option opts [Integer] :filter_timespan_h A window, in hours, from the look back to estimate cardinality with.
+    # @option opts [Integer] :filter_timespan_h A window, in hours, from the look back to estimate cardinality with. The minimum and default is 1 hour.
     # @return [Array<(MetricEstimateResponse, Integer, Hash)>] MetricEstimateResponse data, response status code and response headers
     def estimate_metrics_output_series_with_http_info(metric_name, opts = {})