diff --git a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/AbtestingClient.java b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/AbtestingClient.java
index df4165e5cd..a4272b3d96 100644
--- a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/AbtestingClient.java
+++ b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/AbtestingClient.java
@@ -236,7 +236,7 @@ public Object del(String path, Map<String, Object> parameters)
   }
 
   public Object del(String path) throws AlgoliaRuntimeException {
-    return this.del(path, new HashMap<>());
+    return this.del(path, null);
   }
 
   /**
@@ -429,7 +429,7 @@ public Object get(String path, Map<String, Object> parameters)
   }
 
   public Object get(String path) throws AlgoliaRuntimeException {
-    return this.get(path, new HashMap<>());
+    return this.get(path, null);
   }
 
   /**
@@ -615,7 +615,7 @@ public ListABTestsResponse listABTests(Integer offset, Integer limit)
   }
 
   public ListABTestsResponse listABTests() throws AlgoliaRuntimeException {
-    return this.listABTests(0, 10);
+    return this.listABTests(null, null);
   }
 
   /**
@@ -725,7 +725,7 @@ public Object post(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object post(String path) throws AlgoliaRuntimeException {
-    return this.post(path, new HashMap<>(), null);
+    return this.post(path, null, null);
   }
 
   /**
@@ -834,7 +834,7 @@ public Object put(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object put(String path) throws AlgoliaRuntimeException {
-    return this.put(path, new HashMap<>(), null);
+    return this.put(path, null, null);
   }
 
   /**
diff --git a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/AnalyticsClient.java b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/AnalyticsClient.java
index eec6088973..dfa13c043a 100644
--- a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/AnalyticsClient.java
+++ b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/AnalyticsClient.java
@@ -147,7 +147,7 @@ public Object del(String path, Map<String, Object> parameters)
   }
 
   public Object del(String path) throws AlgoliaRuntimeException {
-    return this.del(path, new HashMap<>());
+    return this.del(path, null);
   }
 
   /**
@@ -251,7 +251,7 @@ public Object get(String path, Map<String, Object> parameters)
   }
 
   public Object get(String path) throws AlgoliaRuntimeException {
-    return this.get(path, new HashMap<>());
+    return this.get(path, null);
   }
 
   /**
@@ -1475,7 +1475,7 @@ public GetSearchesNoClicksResponse getSearchesNoClicks(
 
   public GetSearchesNoClicksResponse getSearchesNoClicks(String index)
     throws AlgoliaRuntimeException {
-    return this.getSearchesNoClicks(index, null, null, 10, 0, null);
+    return this.getSearchesNoClicks(index, null, null, null, null, null);
   }
 
   /**
@@ -1661,7 +1661,7 @@ public GetSearchesNoResultsResponse getSearchesNoResults(
 
   public GetSearchesNoResultsResponse getSearchesNoResults(String index)
     throws AlgoliaRuntimeException {
-    return this.getSearchesNoResults(index, null, null, 10, 0, null);
+    return this.getSearchesNoResults(index, null, null, null, null, null);
   }
 
   /**
@@ -1938,7 +1938,7 @@ public GetTopCountriesResponse getTopCountries(
 
   public GetTopCountriesResponse getTopCountries(String index)
     throws AlgoliaRuntimeException {
-    return this.getTopCountries(index, null, null, 10, 0, null);
+    return this.getTopCountries(index, null, null, null, null, null);
   }
 
   /**
@@ -2133,7 +2133,15 @@ public GetTopFilterAttributesResponse getTopFilterAttributes(
 
   public GetTopFilterAttributesResponse getTopFilterAttributes(String index)
     throws AlgoliaRuntimeException {
-    return this.getTopFilterAttributes(index, null, null, null, 10, 0, null);
+    return this.getTopFilterAttributes(
+        index,
+        null,
+        null,
+        null,
+        null,
+        null,
+        null
+      );
   }
 
   /**
@@ -2358,8 +2366,8 @@ public GetTopFilterForAttributeResponse getTopFilterForAttribute(
         null,
         null,
         null,
-        10,
-        0,
+        null,
+        null,
         null
       );
   }
@@ -2564,7 +2572,15 @@ public GetTopFiltersNoResultsResponse getTopFiltersNoResults(
 
   public GetTopFiltersNoResultsResponse getTopFiltersNoResults(String index)
     throws AlgoliaRuntimeException {
-    return this.getTopFiltersNoResults(index, null, null, null, 10, 0, null);
+    return this.getTopFiltersNoResults(
+        index,
+        null,
+        null,
+        null,
+        null,
+        null,
+        null
+      );
   }
 
   /**
@@ -2772,7 +2788,7 @@ public GetTopHitsResponse getTopHits(
 
   public GetTopHitsResponse getTopHits(String index)
     throws AlgoliaRuntimeException {
-    return this.getTopHits(index, null, false, null, null, 10, 0, null);
+    return this.getTopHits(index, null, null, null, null, null, null, null);
   }
 
   /**
@@ -2998,13 +3014,13 @@ public GetTopSearchesResponse getTopSearches(String index)
     throws AlgoliaRuntimeException {
     return this.getTopSearches(
         index,
-        false,
         null,
         null,
-        OrderBy.SEARCH_COUNT,
-        Direction.ASC,
-        10,
-        0,
+        null,
+        null,
+        null,
+        null,
+        null,
         null
       );
   }
@@ -3294,7 +3310,7 @@ public Object post(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object post(String path) throws AlgoliaRuntimeException {
-    return this.post(path, new HashMap<>(), null);
+    return this.post(path, null, null);
   }
 
   /**
@@ -3403,7 +3419,7 @@ public Object put(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object put(String path) throws AlgoliaRuntimeException {
-    return this.put(path, new HashMap<>(), null);
+    return this.put(path, null, null);
   }
 
   /**
diff --git a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/InsightsClient.java b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/InsightsClient.java
index f0c1f48709..2d3054ab3c 100644
--- a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/InsightsClient.java
+++ b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/InsightsClient.java
@@ -147,7 +147,7 @@ public Object del(String path, Map<String, Object> parameters)
   }
 
   public Object del(String path) throws AlgoliaRuntimeException {
-    return this.del(path, new HashMap<>());
+    return this.del(path, null);
   }
 
   /**
@@ -251,7 +251,7 @@ public Object get(String path, Map<String, Object> parameters)
   }
 
   public Object get(String path) throws AlgoliaRuntimeException {
-    return this.get(path, new HashMap<>());
+    return this.get(path, null);
   }
 
   /**
@@ -358,7 +358,7 @@ public Object post(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object post(String path) throws AlgoliaRuntimeException {
-    return this.post(path, new HashMap<>(), null);
+    return this.post(path, null, null);
   }
 
   /**
@@ -552,7 +552,7 @@ public Object put(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object put(String path) throws AlgoliaRuntimeException {
-    return this.put(path, new HashMap<>(), null);
+    return this.put(path, null, null);
   }
 
   /**
diff --git a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/PersonalizationClient.java b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/PersonalizationClient.java
index 57abf93cbf..62a6bc3e18 100644
--- a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/PersonalizationClient.java
+++ b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/PersonalizationClient.java
@@ -149,7 +149,7 @@ public Object del(String path, Map<String, Object> parameters)
   }
 
   public Object del(String path) throws AlgoliaRuntimeException {
-    return this.del(path, new HashMap<>());
+    return this.del(path, null);
   }
 
   /**
@@ -354,7 +354,7 @@ public Object get(String path, Map<String, Object> parameters)
   }
 
   public Object get(String path) throws AlgoliaRuntimeException {
-    return this.get(path, new HashMap<>());
+    return this.get(path, null);
   }
 
   /**
@@ -641,7 +641,7 @@ public Object post(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object post(String path) throws AlgoliaRuntimeException {
-    return this.post(path, new HashMap<>(), null);
+    return this.post(path, null, null);
   }
 
   /**
@@ -750,7 +750,7 @@ public Object put(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object put(String path) throws AlgoliaRuntimeException {
-    return this.put(path, new HashMap<>(), null);
+    return this.put(path, null, null);
   }
 
   /**
diff --git a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/PredictClient.java b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/PredictClient.java
index 916655b7fa..4168c7e384 100644
--- a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/PredictClient.java
+++ b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/PredictClient.java
@@ -142,7 +142,7 @@ public Object del(String path, Map<String, Object> parameters)
   }
 
   public Object del(String path) throws AlgoliaRuntimeException {
-    return this.del(path, new HashMap<>());
+    return this.del(path, null);
   }
 
   /**
@@ -355,7 +355,7 @@ public Object get(String path, Map<String, Object> parameters)
   }
 
   public Object get(String path) throws AlgoliaRuntimeException {
-    return this.get(path, new HashMap<>());
+    return this.get(path, null);
   }
 
   /**
@@ -462,7 +462,7 @@ public Object post(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object post(String path) throws AlgoliaRuntimeException {
-    return this.post(path, new HashMap<>(), null);
+    return this.post(path, null, null);
   }
 
   /**
@@ -571,7 +571,7 @@ public Object put(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object put(String path) throws AlgoliaRuntimeException {
-    return this.put(path, new HashMap<>(), null);
+    return this.put(path, null, null);
   }
 
   /**
diff --git a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/QuerySuggestionsClient.java b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/QuerySuggestionsClient.java
index 46e2fc740e..a147e71ef0 100644
--- a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/QuerySuggestionsClient.java
+++ b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/QuerySuggestionsClient.java
@@ -246,7 +246,7 @@ public Object del(String path, Map<String, Object> parameters)
   }
 
   public Object del(String path) throws AlgoliaRuntimeException {
-    return this.del(path, new HashMap<>());
+    return this.del(path, null);
   }
 
   /**
@@ -445,7 +445,7 @@ public Object get(String path, Map<String, Object> parameters)
   }
 
   public Object get(String path) throws AlgoliaRuntimeException {
-    return this.get(path, new HashMap<>());
+    return this.get(path, null);
   }
 
   /**
@@ -906,7 +906,7 @@ public Object post(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object post(String path) throws AlgoliaRuntimeException {
-    return this.post(path, new HashMap<>(), null);
+    return this.post(path, null, null);
   }
 
   /**
@@ -1015,7 +1015,7 @@ public Object put(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object put(String path) throws AlgoliaRuntimeException {
-    return this.put(path, new HashMap<>(), null);
+    return this.put(path, null, null);
   }
 
   /**
diff --git a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/RecommendClient.java b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/RecommendClient.java
index 723d0b1867..a547222542 100644
--- a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/RecommendClient.java
+++ b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/RecommendClient.java
@@ -181,7 +181,7 @@ public Object del(String path, Map<String, Object> parameters)
   }
 
   public Object del(String path) throws AlgoliaRuntimeException {
-    return this.del(path, new HashMap<>());
+    return this.del(path, null);
   }
 
   /**
@@ -285,7 +285,7 @@ public Object get(String path, Map<String, Object> parameters)
   }
 
   public Object get(String path) throws AlgoliaRuntimeException {
-    return this.get(path, new HashMap<>());
+    return this.get(path, null);
   }
 
   /**
@@ -488,7 +488,7 @@ public Object post(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object post(String path) throws AlgoliaRuntimeException {
-    return this.post(path, new HashMap<>(), null);
+    return this.post(path, null, null);
   }
 
   /**
@@ -597,7 +597,7 @@ public Object put(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object put(String path) throws AlgoliaRuntimeException {
-    return this.put(path, new HashMap<>(), null);
+    return this.put(path, null, null);
   }
 
   /**
diff --git a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/SearchClient.java b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/SearchClient.java
index 61d817432e..6b7d91a7ce 100644
--- a/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/SearchClient.java
+++ b/clients/algoliasearch-client-java-2/algoliasearch-core/src/com/algolia/api/SearchClient.java
@@ -1536,7 +1536,7 @@ public Object del(String path, Map<String, Object> parameters)
   }
 
   public Object del(String path) throws AlgoliaRuntimeException {
-    return this.del(path, new HashMap<>());
+    return this.del(path, null);
   }
 
   /**
@@ -2382,7 +2382,7 @@ public Object get(String path, Map<String, Object> parameters)
   }
 
   public Object get(String path) throws AlgoliaRuntimeException {
-    return this.get(path, new HashMap<>());
+    return this.get(path, null);
   }
 
   /**
@@ -2739,7 +2739,7 @@ public GetLogsResponse getLogs(
   }
 
   public GetLogsResponse getLogs() throws AlgoliaRuntimeException {
-    return this.getLogs(0, 10, null, LogType.ALL);
+    return this.getLogs(null, null, null, null);
   }
 
   /**
@@ -2878,7 +2878,7 @@ public Map<String, String> getObject(
 
   public Map<String, String> getObject(String indexName, String objectID)
     throws AlgoliaRuntimeException {
-    return this.getObject(indexName, objectID, new ArrayList<>());
+    return this.getObject(indexName, objectID, null);
   }
 
   /**
@@ -4035,7 +4035,7 @@ public ListUserIdsResponse listUserIds(Integer page, Integer hitsPerPage)
   }
 
   public ListUserIdsResponse listUserIds() throws AlgoliaRuntimeException {
-    return this.listUserIds(null, 100);
+    return this.listUserIds(null, null);
   }
 
   /**
@@ -4487,7 +4487,7 @@ public UpdatedAtWithObjectIdResponse partialUpdateObject(
         indexName,
         objectID,
         attributeOrBuiltInOperation,
-        true
+        null
       );
   }
 
@@ -4609,7 +4609,7 @@ public Object post(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object post(String path) throws AlgoliaRuntimeException {
-    return this.post(path, new HashMap<>(), null);
+    return this.post(path, null, null);
   }
 
   /**
@@ -4718,7 +4718,7 @@ public Object put(String path, Map<String, Object> parameters, Object body)
   }
 
   public Object put(String path) throws AlgoliaRuntimeException {
-    return this.put(path, new HashMap<>(), null);
+    return this.put(path, null, null);
   }
 
   /**
@@ -6169,7 +6169,7 @@ public SearchSynonymsResponse searchSynonyms(
 
   public SearchSynonymsResponse searchSynonyms(String indexName)
     throws AlgoliaRuntimeException {
-    return this.searchSynonyms(indexName, "", null, 0, 100);
+    return this.searchSynonyms(indexName, null, null, null, null);
   }
 
   /**