chore: generated code for commit a2d3b70. [skip ci]

Co-authored-by: Clément Vannicatte <[email protected]>
Co-authored-by: Pierre Millot <[email protected]>

Author: 3 people

clients/algoliasearch-client-java-2/algoliasearch-core/com/algolia/ApiClient.java

@@ -178,12 +178,9 @@ public String parameterToString(Object param) {
       String jsonStr = JSON.serialize(param);
       return jsonStr.substring(1, jsonStr.length() - 1);
     } else if (param instanceof Collection) {
-      StringBuilder b = new StringBuilder();
+      StringJoiner b = new StringJoiner(",");
       for (Object o : (Collection) param) {
-        if (b.length() > 0) {
-          b.append(",");
-        }
-        b.append(String.valueOf(o));
+        b.add(String.valueOf(o));
       }
       return b.toString();
     } else {
@@ -204,12 +201,7 @@ public List<Pair> parameterToPair(String name, Object value) {
     List<Pair> params = new ArrayList<Pair>();
 
     // preconditions
-    if (
-      name == null ||
-      name.isEmpty() ||
-      value == null ||
-      value instanceof Collection
-    ) {
+    if (name == null || name.isEmpty() || value == null) {
       return params;
     }