diff --git a/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/GetSnapshotRequest.java b/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/GetSnapshotRequest.java
index 1dd07215be..3b1776a93b 100644
--- a/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/GetSnapshotRequest.java
+++ b/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/GetSnapshotRequest.java
@@ -50,8 +50,10 @@
 import org.opensearch.client.transport.Endpoint;
 import org.opensearch.client.transport.endpoints.SimpleEndpoint;
 import org.opensearch.client.util.ApiTypeHelper;
+import org.opensearch.client.util.CopyableBuilder;
 import org.opensearch.client.util.ObjectBuilder;
 import org.opensearch.client.util.ObjectBuilderBase;
+import org.opensearch.client.util.ToCopyableBuilder;
 
 // typedef: snapshot.get.Request
 
@@ -59,7 +61,7 @@
  * Returns information about a snapshot.
  */
 @Generated("org.opensearch.client.codegen.CodeGenerator")
-public class GetSnapshotRequest extends RequestBase {
+public class GetSnapshotRequest extends RequestBase implements ToCopyableBuilder<GetSnapshotRequest.Builder, GetSnapshotRequest> {
 
     @Nullable
     private final Time clusterManagerTimeout;
@@ -107,7 +109,7 @@ public final Time clusterManagerTimeout() {
     }
 
     /**
-     * If false, the request returns an error for any snapshots that are unavailable.
+     * If <code>false</code>, the request returns an error for any snapshots that are unavailable.
      * <p>
      * API name: {@code ignore_unavailable}
      * </p>
@@ -118,8 +120,8 @@ public final Boolean ignoreUnavailable() {
     }
 
     /**
-     * Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and
-     * returns an error.
+     * Period to wait for a connection to the cluster-manager node. If no response is received before the timeout expires, the request fails
+     * and returns an error.
      * <p>
      * API name: {@code master_timeout}
      * </p>
@@ -144,11 +146,11 @@ public final String repository() {
     /**
      * Required -
      * <p>
-     * Comma-separated list of snapshot names to retrieve. Also accepts wildcards (*).
+     * Comma-separated list of snapshot names to retrieve. Also accepts wildcards (<code>*</code>).
      * </p>
      * <ul>
-     * <li>To get information about all snapshots in a registered repository, use a wildcard (*) or _all.</li>
-     * <li>To get information about any snapshots that are currently running, use _current.</li>
+     * <li>To get information about all snapshots in a registered repository, use a wildcard (<code>*</code>) or <code>_all</code>.</li>
+     * <li>To get information about any snapshots that are currently running, use <code>_current</code>.</li>
      * </ul>
      * <p>
      * API name: {@code snapshot}
@@ -160,8 +162,8 @@ public final List<String> snapshot() {
     }
 
     /**
-     * If true, returns additional information about each snapshot such as the version of OpenSearch which took the snapshot, the start and
-     * end times of the snapshot, and the number of shards snapshotted.
+     * If <code>true</code>, returns additional information about each snapshot such as the version of OpenSearch which took the snapshot,
+     * the start and end times of the snapshot, and the number of shards snapshotted.
      * <p>
      * API name: {@code verbose}
      * </p>
@@ -173,10 +175,21 @@ public final Boolean verbose() {
 
     // ---------------------------------------------------------------------------------------------
 
+    @Override
+    @Nonnull
+    public Builder toBuilder() {
+        return new Builder(this);
+    }
+
+    @Nonnull
+    public static Builder builder() {
+        return new Builder();
+    }
+
     /**
      * Builder for {@link GetSnapshotRequest}.
      */
-    public static class Builder extends ObjectBuilderBase implements ObjectBuilder<GetSnapshotRequest> {
+    public static class Builder extends ObjectBuilderBase implements CopyableBuilder<Builder, GetSnapshotRequest> {
         @Nullable
         private Time clusterManagerTimeout;
         @Nullable
@@ -188,12 +201,39 @@ public static class Builder extends ObjectBuilderBase implements ObjectBuilder<G
         @Nullable
         private Boolean verbose;
 
+        public Builder() {}
+
+        private Builder(GetSnapshotRequest o) {
+            this.clusterManagerTimeout = o.clusterManagerTimeout;
+            this.ignoreUnavailable = o.ignoreUnavailable;
+            this.masterTimeout = o.masterTimeout;
+            this.repository = o.repository;
+            this.snapshot = _listCopy(o.snapshot);
+            this.verbose = o.verbose;
+        }
+
+        private Builder(Builder o) {
+            this.clusterManagerTimeout = o.clusterManagerTimeout;
+            this.ignoreUnavailable = o.ignoreUnavailable;
+            this.masterTimeout = o.masterTimeout;
+            this.repository = o.repository;
+            this.snapshot = _listCopy(o.snapshot);
+            this.verbose = o.verbose;
+        }
+
+        @Override
+        @Nonnull
+        public Builder copy() {
+            return new Builder(this);
+        }
+
         /**
          * Operation timeout for connection to cluster-manager node.
          * <p>
          * API name: {@code cluster_manager_timeout}
          * </p>
          */
+        @Nonnull
         public final Builder clusterManagerTimeout(@Nullable Time value) {
             this.clusterManagerTimeout = value;
             return this;
@@ -205,42 +245,46 @@ public final Builder clusterManagerTimeout(@Nullable Time value) {
          * API name: {@code cluster_manager_timeout}
          * </p>
          */
+        @Nonnull
         public final Builder clusterManagerTimeout(Function<Time.Builder, ObjectBuilder<Time>> fn) {
             return clusterManagerTimeout(fn.apply(new Time.Builder()).build());
         }
 
         /**
-         * If false, the request returns an error for any snapshots that are unavailable.
+         * If <code>false</code>, the request returns an error for any snapshots that are unavailable.
          * <p>
          * API name: {@code ignore_unavailable}
          * </p>
          */
+        @Nonnull
         public final Builder ignoreUnavailable(@Nullable Boolean value) {
             this.ignoreUnavailable = value;
             return this;
         }
 
         /**
-         * Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and
-         * returns an error.
+         * Period to wait for a connection to the cluster-manager node. If no response is received before the timeout expires, the request
+         * fails and returns an error.
          * <p>
          * API name: {@code master_timeout}
          * </p>
          */
         @Deprecated
+        @Nonnull
         public final Builder masterTimeout(@Nullable Time value) {
             this.masterTimeout = value;
             return this;
         }
 
         /**
-         * Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and
-         * returns an error.
+         * Period to wait for a connection to the cluster-manager node. If no response is received before the timeout expires, the request
+         * fails and returns an error.
          * <p>
          * API name: {@code master_timeout}
          * </p>
          */
         @Deprecated
+        @Nonnull
         public final Builder masterTimeout(Function<Time.Builder, ObjectBuilder<Time>> fn) {
             return masterTimeout(fn.apply(new Time.Builder()).build());
         }
@@ -251,6 +295,7 @@ public final Builder masterTimeout(Function<Time.Builder, ObjectBuilder<Time>> f
          * API name: {@code repository}
          * </p>
          */
+        @Nonnull
         public final Builder repository(String value) {
             this.repository = value;
             return this;
@@ -259,11 +304,11 @@ public final Builder repository(String value) {
         /**
          * Required -
          * <p>
-         * Comma-separated list of snapshot names to retrieve. Also accepts wildcards (*).
+         * Comma-separated list of snapshot names to retrieve. Also accepts wildcards (<code>*</code>).
          * </p>
          * <ul>
-         * <li>To get information about all snapshots in a registered repository, use a wildcard (*) or _all.</li>
-         * <li>To get information about any snapshots that are currently running, use _current.</li>
+         * <li>To get information about all snapshots in a registered repository, use a wildcard (<code>*</code>) or <code>_all</code>.</li>
+         * <li>To get information about any snapshots that are currently running, use <code>_current</code>.</li>
          * </ul>
          * <p>
          * API name: {@code snapshot}
@@ -273,6 +318,7 @@ public final Builder repository(String value) {
          * Adds all elements of <code>list</code> to <code>snapshot</code>.
          * </p>
          */
+        @Nonnull
         public final Builder snapshot(List<String> list) {
             this.snapshot = _listAddAll(this.snapshot, list);
             return this;
@@ -281,11 +327,11 @@ public final Builder snapshot(List<String> list) {
         /**
          * Required -
          * <p>
-         * Comma-separated list of snapshot names to retrieve. Also accepts wildcards (*).
+         * Comma-separated list of snapshot names to retrieve. Also accepts wildcards (<code>*</code>).
          * </p>
          * <ul>
-         * <li>To get information about all snapshots in a registered repository, use a wildcard (*) or _all.</li>
-         * <li>To get information about any snapshots that are currently running, use _current.</li>
+         * <li>To get information about all snapshots in a registered repository, use a wildcard (<code>*</code>) or <code>_all</code>.</li>
+         * <li>To get information about any snapshots that are currently running, use <code>_current</code>.</li>
          * </ul>
          * <p>
          * API name: {@code snapshot}
@@ -295,18 +341,20 @@ public final Builder snapshot(List<String> list) {
          * Adds one or more values to <code>snapshot</code>.
          * </p>
          */
+        @Nonnull
         public final Builder snapshot(String value, String... values) {
             this.snapshot = _listAdd(this.snapshot, value, values);
             return this;
         }
 
         /**
-         * If true, returns additional information about each snapshot such as the version of OpenSearch which took the snapshot, the start
-         * and end times of the snapshot, and the number of shards snapshotted.
+         * If <code>true</code>, returns additional information about each snapshot such as the version of OpenSearch which took the
+         * snapshot, the start and end times of the snapshot, and the number of shards snapshotted.
          * <p>
          * API name: {@code verbose}
          * </p>
          */
+        @Nonnull
         public final Builder verbose(@Nullable Boolean value) {
             this.verbose = value;
             return this;
@@ -317,6 +365,8 @@ public final Builder verbose(@Nullable Boolean value) {
          *
          * @throws NullPointerException if some of the required fields are null.
          */
+        @Override
+        @Nonnull
         public GetSnapshotRequest build() {
             _checkSingleUse();
 
diff --git a/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/GetSnapshotResponse.java b/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/GetSnapshotResponse.java
index f8b88031c6..253287d4c3 100644
--- a/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/GetSnapshotResponse.java
+++ b/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/GetSnapshotResponse.java
@@ -48,14 +48,16 @@
 import org.opensearch.client.json.ObjectDeserializer;
 import org.opensearch.client.json.PlainJsonSerializable;
 import org.opensearch.client.util.ApiTypeHelper;
+import org.opensearch.client.util.CopyableBuilder;
 import org.opensearch.client.util.ObjectBuilder;
 import org.opensearch.client.util.ObjectBuilderBase;
+import org.opensearch.client.util.ToCopyableBuilder;
 
 // typedef: snapshot.get.Response
 
 @JsonpDeserializable
 @Generated("org.opensearch.client.codegen.CodeGenerator")
-public class GetSnapshotResponse implements PlainJsonSerializable {
+public class GetSnapshotResponse implements PlainJsonSerializable, ToCopyableBuilder<GetSnapshotResponse.Builder, GetSnapshotResponse> {
 
     @Nonnull
     private final List<SnapshotInfo> snapshots;
@@ -99,12 +101,39 @@ protected void serializeInternal(JsonGenerator generator, JsonpMapper mapper) {
 
     // ---------------------------------------------------------------------------------------------
 
+    @Override
+    @Nonnull
+    public Builder toBuilder() {
+        return new Builder(this);
+    }
+
+    @Nonnull
+    public static Builder builder() {
+        return new Builder();
+    }
+
     /**
      * Builder for {@link GetSnapshotResponse}.
      */
-    public static class Builder extends ObjectBuilderBase implements ObjectBuilder<GetSnapshotResponse> {
+    public static class Builder extends ObjectBuilderBase implements CopyableBuilder<Builder, GetSnapshotResponse> {
         private List<SnapshotInfo> snapshots;
 
+        public Builder() {}
+
+        private Builder(GetSnapshotResponse o) {
+            this.snapshots = _listCopy(o.snapshots);
+        }
+
+        private Builder(Builder o) {
+            this.snapshots = _listCopy(o.snapshots);
+        }
+
+        @Override
+        @Nonnull
+        public Builder copy() {
+            return new Builder(this);
+        }
+
         /**
          * Required - API name: {@code snapshots}
          *
@@ -112,6 +141,7 @@ public static class Builder extends ObjectBuilderBase implements ObjectBuilder<G
          * Adds all elements of <code>list</code> to <code>snapshots</code>.
          * </p>
          */
+        @Nonnull
         public final Builder snapshots(List<SnapshotInfo> list) {
             this.snapshots = _listAddAll(this.snapshots, list);
             return this;
@@ -124,6 +154,7 @@ public final Builder snapshots(List<SnapshotInfo> list) {
          * Adds one or more values to <code>snapshots</code>.
          * </p>
          */
+        @Nonnull
         public final Builder snapshots(SnapshotInfo value, SnapshotInfo... values) {
             this.snapshots = _listAdd(this.snapshots, value, values);
             return this;
@@ -136,6 +167,7 @@ public final Builder snapshots(SnapshotInfo value, SnapshotInfo... values) {
          * Adds a value to <code>snapshots</code> using a builder lambda.
          * </p>
          */
+        @Nonnull
         public final Builder snapshots(Function<SnapshotInfo.Builder, ObjectBuilder<SnapshotInfo>> fn) {
             return snapshots(fn.apply(new SnapshotInfo.Builder()).build());
         }
@@ -145,6 +177,8 @@ public final Builder snapshots(Function<SnapshotInfo.Builder, ObjectBuilder<Snap
          *
          * @throws NullPointerException if some of the required fields are null.
          */
+        @Override
+        @Nonnull
         public GetSnapshotResponse build() {
             _checkSingleUse();
 
diff --git a/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/SnapshotInfo.java b/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/SnapshotInfo.java
index 95805dd799..2d0a9574b8 100644
--- a/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/SnapshotInfo.java
+++ b/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/SnapshotInfo.java
@@ -54,14 +54,16 @@
 import org.opensearch.client.opensearch._types.ShardStatistics;
 import org.opensearch.client.opensearch._types.Time;
 import org.opensearch.client.util.ApiTypeHelper;
+import org.opensearch.client.util.CopyableBuilder;
 import org.opensearch.client.util.ObjectBuilder;
 import org.opensearch.client.util.ObjectBuilderBase;
+import org.opensearch.client.util.ToCopyableBuilder;
 
 // typedef: snapshot.SnapshotInfo
 
 @JsonpDeserializable
 @Generated("org.opensearch.client.codegen.CodeGenerator")
-public class SnapshotInfo implements PlainJsonSerializable {
+public class SnapshotInfo implements PlainJsonSerializable, ToCopyableBuilder<SnapshotInfo.Builder, SnapshotInfo> {
 
     @Nonnull
     private final List<String> dataStreams;
@@ -437,10 +439,21 @@ protected void serializeInternal(JsonGenerator generator, JsonpMapper mapper) {
 
     // ---------------------------------------------------------------------------------------------
 
+    @Override
+    @Nonnull
+    public Builder toBuilder() {
+        return new Builder(this);
+    }
+
+    @Nonnull
+    public static Builder builder() {
+        return new Builder();
+    }
+
     /**
      * Builder for {@link SnapshotInfo}.
      */
-    public static class Builder extends ObjectBuilderBase implements ObjectBuilder<SnapshotInfo> {
+    public static class Builder extends ObjectBuilderBase implements CopyableBuilder<Builder, SnapshotInfo> {
         private List<String> dataStreams;
         @Nullable
         private Time duration;
@@ -479,6 +492,60 @@ public static class Builder extends ObjectBuilderBase implements ObjectBuilder<S
         @Nullable
         private Long versionId;
 
+        public Builder() {}
+
+        private Builder(SnapshotInfo o) {
+            this.dataStreams = _listCopy(o.dataStreams);
+            this.duration = o.duration;
+            this.durationInMillis = o.durationInMillis;
+            this.endTime = o.endTime;
+            this.endTimeInMillis = o.endTimeInMillis;
+            this.failures = _listCopy(o.failures);
+            this.includeGlobalState = o.includeGlobalState;
+            this.indices = _listCopy(o.indices);
+            this.metadata = _mapCopy(o.metadata);
+            this.pinnedTimestamp = o.pinnedTimestamp;
+            this.reason = o.reason;
+            this.remoteStoreIndexShallowCopy = o.remoteStoreIndexShallowCopy;
+            this.shards = o.shards;
+            this.snapshot = o.snapshot;
+            this.startTime = o.startTime;
+            this.startTimeInMillis = o.startTimeInMillis;
+            this.state = o.state;
+            this.uuid = o.uuid;
+            this.version = o.version;
+            this.versionId = o.versionId;
+        }
+
+        private Builder(Builder o) {
+            this.dataStreams = _listCopy(o.dataStreams);
+            this.duration = o.duration;
+            this.durationInMillis = o.durationInMillis;
+            this.endTime = o.endTime;
+            this.endTimeInMillis = o.endTimeInMillis;
+            this.failures = _listCopy(o.failures);
+            this.includeGlobalState = o.includeGlobalState;
+            this.indices = _listCopy(o.indices);
+            this.metadata = _mapCopy(o.metadata);
+            this.pinnedTimestamp = o.pinnedTimestamp;
+            this.reason = o.reason;
+            this.remoteStoreIndexShallowCopy = o.remoteStoreIndexShallowCopy;
+            this.shards = o.shards;
+            this.snapshot = o.snapshot;
+            this.startTime = o.startTime;
+            this.startTimeInMillis = o.startTimeInMillis;
+            this.state = o.state;
+            this.uuid = o.uuid;
+            this.version = o.version;
+            this.versionId = o.versionId;
+        }
+
+        @Override
+        @Nonnull
+        public Builder copy() {
+            return new Builder(this);
+        }
+
         /**
          * Required - API name: {@code data_streams}
          *
@@ -486,6 +553,7 @@ public static class Builder extends ObjectBuilderBase implements ObjectBuilder<S
          * Adds all elements of <code>list</code> to <code>dataStreams</code>.
          * </p>
          */
+        @Nonnull
         public final Builder dataStreams(List<String> list) {
             this.dataStreams = _listAddAll(this.dataStreams, list);
             return this;
@@ -498,6 +566,7 @@ public final Builder dataStreams(List<String> list) {
          * Adds one or more values to <code>dataStreams</code>.
          * </p>
          */
+        @Nonnull
         public final Builder dataStreams(String value, String... values) {
             this.dataStreams = _listAdd(this.dataStreams, value, values);
             return this;
@@ -506,6 +575,7 @@ public final Builder dataStreams(String value, String... values) {
         /**
          * API name: {@code duration}
          */
+        @Nonnull
         public final Builder duration(@Nullable Time value) {
             this.duration = value;
             return this;
@@ -514,6 +584,7 @@ public final Builder duration(@Nullable Time value) {
         /**
          * API name: {@code duration}
          */
+        @Nonnull
         public final Builder duration(Function<Time.Builder, ObjectBuilder<Time>> fn) {
             return duration(fn.apply(new Time.Builder()).build());
         }
@@ -521,6 +592,7 @@ public final Builder duration(Function<Time.Builder, ObjectBuilder<Time>> fn) {
         /**
          * API name: {@code duration_in_millis}
          */
+        @Nonnull
         public final Builder durationInMillis(@Nullable Long value) {
             this.durationInMillis = value;
             return this;
@@ -529,6 +601,7 @@ public final Builder durationInMillis(@Nullable Long value) {
         /**
          * API name: {@code end_time}
          */
+        @Nonnull
         public final Builder endTime(@Nullable String value) {
             this.endTime = value;
             return this;
@@ -537,6 +610,7 @@ public final Builder endTime(@Nullable String value) {
         /**
          * API name: {@code end_time_in_millis}
          */
+        @Nonnull
         public final Builder endTimeInMillis(@Nullable Long value) {
             this.endTimeInMillis = value;
             return this;
@@ -549,6 +623,7 @@ public final Builder endTimeInMillis(@Nullable Long value) {
          * Adds all elements of <code>list</code> to <code>failures</code>.
          * </p>
          */
+        @Nonnull
         public final Builder failures(List<SnapshotShardFailure> list) {
             this.failures = _listAddAll(this.failures, list);
             return this;
@@ -561,6 +636,7 @@ public final Builder failures(List<SnapshotShardFailure> list) {
          * Adds one or more values to <code>failures</code>.
          * </p>
          */
+        @Nonnull
         public final Builder failures(SnapshotShardFailure value, SnapshotShardFailure... values) {
             this.failures = _listAdd(this.failures, value, values);
             return this;
@@ -573,6 +649,7 @@ public final Builder failures(SnapshotShardFailure value, SnapshotShardFailure..
          * Adds a value to <code>failures</code> using a builder lambda.
          * </p>
          */
+        @Nonnull
         public final Builder failures(Function<SnapshotShardFailure.Builder, ObjectBuilder<SnapshotShardFailure>> fn) {
             return failures(fn.apply(new SnapshotShardFailure.Builder()).build());
         }
@@ -580,6 +657,7 @@ public final Builder failures(Function<SnapshotShardFailure.Builder, ObjectBuild
         /**
          * API name: {@code include_global_state}
          */
+        @Nonnull
         public final Builder includeGlobalState(@Nullable Boolean value) {
             this.includeGlobalState = value;
             return this;
@@ -592,6 +670,7 @@ public final Builder includeGlobalState(@Nullable Boolean value) {
          * Adds all elements of <code>list</code> to <code>indices</code>.
          * </p>
          */
+        @Nonnull
         public final Builder indices(List<String> list) {
             this.indices = _listAddAll(this.indices, list);
             return this;
@@ -604,6 +683,7 @@ public final Builder indices(List<String> list) {
          * Adds one or more values to <code>indices</code>.
          * </p>
          */
+        @Nonnull
         public final Builder indices(String value, String... values) {
             this.indices = _listAdd(this.indices, value, values);
             return this;
@@ -616,6 +696,7 @@ public final Builder indices(String value, String... values) {
          * Adds all elements of <code>map</code> to <code>metadata</code>.
          * </p>
          */
+        @Nonnull
         public final Builder metadata(Map<String, JsonData> map) {
             this.metadata = _mapPutAll(this.metadata, map);
             return this;
@@ -628,6 +709,7 @@ public final Builder metadata(Map<String, JsonData> map) {
          * Adds an entry to <code>metadata</code>.
          * </p>
          */
+        @Nonnull
         public final Builder metadata(String key, JsonData value) {
             this.metadata = _mapPut(this.metadata, key, value);
             return this;
@@ -636,6 +718,7 @@ public final Builder metadata(String key, JsonData value) {
         /**
          * API name: {@code pinned_timestamp}
          */
+        @Nonnull
         public final Builder pinnedTimestamp(@Nullable Long value) {
             this.pinnedTimestamp = value;
             return this;
@@ -644,6 +727,7 @@ public final Builder pinnedTimestamp(@Nullable Long value) {
         /**
          * API name: {@code reason}
          */
+        @Nonnull
         public final Builder reason(@Nullable String value) {
             this.reason = value;
             return this;
@@ -652,6 +736,7 @@ public final Builder reason(@Nullable String value) {
         /**
          * API name: {@code remote_store_index_shallow_copy}
          */
+        @Nonnull
         public final Builder remoteStoreIndexShallowCopy(@Nullable Boolean value) {
             this.remoteStoreIndexShallowCopy = value;
             return this;
@@ -660,6 +745,7 @@ public final Builder remoteStoreIndexShallowCopy(@Nullable Boolean value) {
         /**
          * API name: {@code shards}
          */
+        @Nonnull
         public final Builder shards(@Nullable ShardStatistics value) {
             this.shards = value;
             return this;
@@ -668,6 +754,7 @@ public final Builder shards(@Nullable ShardStatistics value) {
         /**
          * API name: {@code shards}
          */
+        @Nonnull
         public final Builder shards(Function<ShardStatistics.Builder, ObjectBuilder<ShardStatistics>> fn) {
             return shards(fn.apply(new ShardStatistics.Builder()).build());
         }
@@ -675,6 +762,7 @@ public final Builder shards(Function<ShardStatistics.Builder, ObjectBuilder<Shar
         /**
          * Required - API name: {@code snapshot}
          */
+        @Nonnull
         public final Builder snapshot(String value) {
             this.snapshot = value;
             return this;
@@ -683,6 +771,7 @@ public final Builder snapshot(String value) {
         /**
          * API name: {@code start_time}
          */
+        @Nonnull
         public final Builder startTime(@Nullable String value) {
             this.startTime = value;
             return this;
@@ -691,6 +780,7 @@ public final Builder startTime(@Nullable String value) {
         /**
          * API name: {@code start_time_in_millis}
          */
+        @Nonnull
         public final Builder startTimeInMillis(@Nullable Long value) {
             this.startTimeInMillis = value;
             return this;
@@ -699,6 +789,7 @@ public final Builder startTimeInMillis(@Nullable Long value) {
         /**
          * API name: {@code state}
          */
+        @Nonnull
         public final Builder state(@Nullable String value) {
             this.state = value;
             return this;
@@ -707,6 +798,7 @@ public final Builder state(@Nullable String value) {
         /**
          * Required - API name: {@code uuid}
          */
+        @Nonnull
         public final Builder uuid(String value) {
             this.uuid = value;
             return this;
@@ -715,6 +807,7 @@ public final Builder uuid(String value) {
         /**
          * API name: {@code version}
          */
+        @Nonnull
         public final Builder version(@Nullable String value) {
             this.version = value;
             return this;
@@ -723,6 +816,7 @@ public final Builder version(@Nullable String value) {
         /**
          * API name: {@code version_id}
          */
+        @Nonnull
         public final Builder versionId(@Nullable Long value) {
             this.versionId = value;
             return this;
@@ -733,6 +827,8 @@ public final Builder versionId(@Nullable Long value) {
          *
          * @throws NullPointerException if some of the required fields are null.
          */
+        @Override
+        @Nonnull
         public SnapshotInfo build() {
             _checkSingleUse();
 
diff --git a/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/SnapshotShardFailure.java b/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/SnapshotShardFailure.java
index 42fa2d878e..fccd7e6ebe 100644
--- a/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/SnapshotShardFailure.java
+++ b/java-client/src/generated/java/org/opensearch/client/opensearch/snapshot/SnapshotShardFailure.java
@@ -49,14 +49,16 @@
 import org.opensearch.client.json.ObjectDeserializer;
 import org.opensearch.client.json.PlainJsonSerializable;
 import org.opensearch.client.util.ApiTypeHelper;
+import org.opensearch.client.util.CopyableBuilder;
 import org.opensearch.client.util.ObjectBuilder;
 import org.opensearch.client.util.ObjectBuilderBase;
+import org.opensearch.client.util.ToCopyableBuilder;
 
 // typedef: snapshot.SnapshotShardFailure
 
 @JsonpDeserializable
 @Generated("org.opensearch.client.codegen.CodeGenerator")
-public class SnapshotShardFailure implements PlainJsonSerializable {
+public class SnapshotShardFailure implements PlainJsonSerializable, ToCopyableBuilder<SnapshotShardFailure.Builder, SnapshotShardFailure> {
 
     @Nonnull
     private final String index;
@@ -158,10 +160,21 @@ protected void serializeInternal(JsonGenerator generator, JsonpMapper mapper) {
 
     // ---------------------------------------------------------------------------------------------
 
+    @Override
+    @Nonnull
+    public Builder toBuilder() {
+        return new Builder(this);
+    }
+
+    @Nonnull
+    public static Builder builder() {
+        return new Builder();
+    }
+
     /**
      * Builder for {@link SnapshotShardFailure}.
      */
-    public static class Builder extends ObjectBuilderBase implements ObjectBuilder<SnapshotShardFailure> {
+    public static class Builder extends ObjectBuilderBase implements CopyableBuilder<Builder, SnapshotShardFailure> {
         private String index;
         @Nullable
         private String nodeId;
@@ -169,9 +182,34 @@ public static class Builder extends ObjectBuilderBase implements ObjectBuilder<S
         private String shardId;
         private String status;
 
+        public Builder() {}
+
+        private Builder(SnapshotShardFailure o) {
+            this.index = o.index;
+            this.nodeId = o.nodeId;
+            this.reason = o.reason;
+            this.shardId = o.shardId;
+            this.status = o.status;
+        }
+
+        private Builder(Builder o) {
+            this.index = o.index;
+            this.nodeId = o.nodeId;
+            this.reason = o.reason;
+            this.shardId = o.shardId;
+            this.status = o.status;
+        }
+
+        @Override
+        @Nonnull
+        public Builder copy() {
+            return new Builder(this);
+        }
+
         /**
          * Required - API name: {@code index}
          */
+        @Nonnull
         public final Builder index(String value) {
             this.index = value;
             return this;
@@ -180,6 +218,7 @@ public final Builder index(String value) {
         /**
          * API name: {@code node_id}
          */
+        @Nonnull
         public final Builder nodeId(@Nullable String value) {
             this.nodeId = value;
             return this;
@@ -188,6 +227,7 @@ public final Builder nodeId(@Nullable String value) {
         /**
          * Required - API name: {@code reason}
          */
+        @Nonnull
         public final Builder reason(String value) {
             this.reason = value;
             return this;
@@ -196,6 +236,7 @@ public final Builder reason(String value) {
         /**
          * Required - API name: {@code shard_id}
          */
+        @Nonnull
         public final Builder shardId(String value) {
             this.shardId = value;
             return this;
@@ -204,6 +245,7 @@ public final Builder shardId(String value) {
         /**
          * Required - API name: {@code status}
          */
+        @Nonnull
         public final Builder status(String value) {
             this.status = value;
             return this;
@@ -214,6 +256,8 @@ public final Builder status(String value) {
          *
          * @throws NullPointerException if some of the required fields are null.
          */
+        @Override
+        @Nonnull
         public SnapshotShardFailure build() {
             _checkSingleUse();