Allow an empty scope and add valid request examples to cost recommendations search

.generator/schemas/v2/openapi.yaml

@@ -103692,6 +103692,7 @@ components:
             Filter expression applied to the recommendations when `attributes.filter` is omitted.
             When supplied, `attributes.filter` overrides this value, including when empty. If the
             resulting filter is empty, it defaults to `*`. Scope, view, and pagination still apply.
+          example: "@resource_table:aws_ec2_instance"
           type: string
         type:
           $ref: "#/components/schemas/RecommendationsFilterRequestDataType"
@@ -103717,6 +103718,7 @@ components:
           type: array
         view:
           description: Active view name (for example, `active`, `dismissed`, `open`, `in-progress`, or `completed`).
+          example: active
           type: string
       type: object
     RecommendationsFilterRequestDataType:
@@ -103729,24 +103731,31 @@ components:
       x-enum-varnames:
         - RECOMMENDATIONS_FILTER
     RecommendationsFilterRequestScope:
-      description: Recommendations scope. Defaults to `ccm`; use `experiment` for experimental recommendations or `*` for both.
+      description: |-
+        Recommendations scope. Defaults to `ccm`; use `experiment` for experimental recommendations or `*` for both.
+        An empty value is treated as `ccm`.
       enum:
         - ccm
         - experiment
         - "*"
+        - ""
+      example: ccm
       type: string
       x-enum-varnames:
         - CCM
         - EXPERIMENT
         - ALL
+        - EMPTY
     RecommendationsFilterRequestSortItems:
       description: A single sort clause applied to the cost recommendations result set.
       properties:
         expression:
           description: Field to sort by (for example, `@potential_daily_savings`).
+          example: "@potential_daily_savings"
           type: string
         order:
           description: Sort direction, either `ASC` or `DESC`.
+          example: DESC
           type: string
       type: object
     RecommendationsPageMeta:

src/main/java/com/datadog/api/client/v2/model/RecommendationsFilterRequestDataAttributes.java

@@ -73,7 +73,8 @@ public RecommendationsFilterRequestDataAttributes scope(RecommendationsFilterReq
 
   /**
    * Recommendations scope. Defaults to <code>ccm</code>; use <code>experiment</code> for
-   * experimental recommendations or <code>*</code> for both.
+   * experimental recommendations or <code>*</code> for both. An empty value is treated as <code>ccm
+   * </code>.
    *
    * @return scope
    */

src/main/java/com/datadog/api/client/v2/model/RecommendationsFilterRequestScope.java

@@ -20,21 +20,23 @@
 
 /**
  * Recommendations scope. Defaults to <code>ccm</code>; use <code>experiment</code> for experimental
- * recommendations or <code>*</code> for both.
+ * recommendations or <code>*</code> for both. An empty value is treated as <code>ccm</code>.
  */
 @JsonSerialize(
     using = RecommendationsFilterRequestScope.RecommendationsFilterRequestScopeSerializer.class)
 public class RecommendationsFilterRequestScope extends ModelEnum<String> {
 
   private static final Set<String> allowedValues =
-      new HashSet<String>(Arrays.asList("ccm", "experiment", "*"));
+      new HashSet<String>(Arrays.asList("ccm", "experiment", "*", ""));
 
   public static final RecommendationsFilterRequestScope CCM =
       new RecommendationsFilterRequestScope("ccm");
   public static final RecommendationsFilterRequestScope EXPERIMENT =
       new RecommendationsFilterRequestScope("experiment");
   public static final RecommendationsFilterRequestScope ALL =
       new RecommendationsFilterRequestScope("*");
+  public static final RecommendationsFilterRequestScope EMPTY =
+      new RecommendationsFilterRequestScope("");
 
   RecommendationsFilterRequestScope(String value) {
     super(value, allowedValues);