diff --git a/src/main/java/it/cavallium/dbengine/client/SearchResult.java b/src/main/java/it/cavallium/dbengine/client/SearchResult.java
index 6436102..f33164a 100644
--- a/src/main/java/it/cavallium/dbengine/client/SearchResult.java
+++ b/src/main/java/it/cavallium/dbengine/client/SearchResult.java
@@ -1,21 +1,83 @@
 package it.cavallium.dbengine.client;
 
 import it.cavallium.dbengine.client.query.current.data.TotalHitsCount;
+import it.cavallium.dbengine.database.LLSearchResultShard;
+import java.util.Objects;
+import org.warp.commonutils.log.Logger;
+import org.warp.commonutils.log.LoggerFactory;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
-public record SearchResult<T, U>(Flux<SearchResultItem<T, U>> results, TotalHitsCount totalHitsCount, Mono<Void> release) {
+public final class SearchResult<T, U> {
+
+	private static final Logger logger = LoggerFactory.getLogger(SearchResult.class);
+
+	private volatile boolean releaseCalled;
+
+	private final Flux<SearchResultItem<T, U>> results;
+	private final TotalHitsCount totalHitsCount;
+	private final Mono<Void> release;
+
+	public SearchResult(Flux<SearchResultItem<T, U>> results, TotalHitsCount totalHitsCount, Mono<Void> release) {
+		this.results = results;
+		this.totalHitsCount = totalHitsCount;
+		this.release = Mono.fromRunnable(() -> {
+			if (releaseCalled) {
+				logger.warn("LuceneSearchResult::release has been called twice!");
+			}
+			releaseCalled = true;
+		}).then(release);
+	}
 
 	public static <T, U> SearchResult<T, U> empty() {
 		return new SearchResult<>(Flux.empty(), TotalHitsCount.of(0, true), Mono.empty());
 	}
 
 	public Flux<SearchResultItem<T, U>> resultsThenRelease() {
-		return Flux
-				.usingWhen(
-						Mono.just(true),
-						_unused -> results,
-						_unused -> release
-				);
+		return Flux.usingWhen(Mono.just(true), _unused -> results, _unused -> release);
 	}
+
+	public Flux<SearchResultItem<T, U>> results() {
+		return results;
+	}
+
+	public TotalHitsCount totalHitsCount() {
+		return totalHitsCount;
+	}
+
+	public Mono<Void> release() {
+		return release;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (obj == this)
+			return true;
+		if (obj == null || obj.getClass() != this.getClass())
+			return false;
+		var that = (SearchResult) obj;
+		return Objects.equals(this.results, that.results) && Objects.equals(this.totalHitsCount, that.totalHitsCount)
+				&& Objects.equals(this.release, that.release);
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash(results, totalHitsCount, release);
+	}
+
+	@Override
+	public String toString() {
+		return "SearchResult[" + "results=" + results + ", " + "totalHitsCount=" + totalHitsCount + ", " + "release="
+				+ release + ']';
+	}
+
+	@SuppressWarnings("deprecation")
+	@Override
+	protected void finalize() throws Throwable {
+		if (!releaseCalled) {
+			logger.warn("LuceneSearchResult::release has not been called before class finalization!");
+		}
+		super.finalize();
+	}
+
 }
diff --git a/src/main/java/it/cavallium/dbengine/client/SearchResultKeys.java b/src/main/java/it/cavallium/dbengine/client/SearchResultKeys.java
index 42b6649..2218217 100644
--- a/src/main/java/it/cavallium/dbengine/client/SearchResultKeys.java
+++ b/src/main/java/it/cavallium/dbengine/client/SearchResultKeys.java
@@ -1,13 +1,36 @@
 package it.cavallium.dbengine.client;
 
 import it.cavallium.dbengine.client.query.current.data.TotalHitsCount;
+import it.cavallium.dbengine.database.LLSearchResultShard;
 import it.cavallium.dbengine.database.collections.ValueGetter;
+import java.util.Objects;
 import org.reactivestreams.Publisher;
+import org.warp.commonutils.log.Logger;
+import org.warp.commonutils.log.LoggerFactory;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
 @SuppressWarnings("unused")
-public record SearchResultKeys<T>(Flux<SearchResultKey<T>> results, TotalHitsCount totalHitsCount, Mono<Void> release) {
+public final class SearchResultKeys<T> {
+
+	private static final Logger logger = LoggerFactory.getLogger(SearchResultKeys.class);
+
+	private volatile boolean releaseCalled;
+
+	private final Flux<SearchResultKey<T>> results;
+	private final TotalHitsCount totalHitsCount;
+	private final Mono<Void> release;
+
+	public SearchResultKeys(Flux<SearchResultKey<T>> results, TotalHitsCount totalHitsCount, Mono<Void> release) {
+		this.results = results;
+		this.totalHitsCount = totalHitsCount;
+		this.release = Mono.fromRunnable(() -> {
+			if (releaseCalled) {
+				logger.warn("LuceneSearchResult::release has been called twice!");
+			}
+			releaseCalled = true;
+		}).then(release);
+	}
 
 	public static <T, U> SearchResultKeys<T> empty() {
 		return new SearchResultKeys<>(Flux.empty(), TotalHitsCount.of(0, true), Mono.empty());
@@ -21,11 +44,50 @@ public record SearchResultKeys<T>(Flux<SearchResultKey<T>> results, TotalHitsCou
 	}
 
 	public Flux<SearchResultKey<T>> resultsThenRelease() {
-		return Flux
-				.usingWhen(
-						Mono.just(true),
-						_unused -> results,
-						_unused -> release
-				);
+		return Flux.usingWhen(Mono.just(true), _unused -> results, _unused -> release);
 	}
+
+	public Flux<SearchResultKey<T>> results() {
+		return results;
+	}
+
+	public TotalHitsCount totalHitsCount() {
+		return totalHitsCount;
+	}
+
+	public Mono<Void> release() {
+		return release;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (obj == this)
+			return true;
+		if (obj == null || obj.getClass() != this.getClass())
+			return false;
+		var that = (SearchResultKeys) obj;
+		return Objects.equals(this.results, that.results) && Objects.equals(this.totalHitsCount, that.totalHitsCount)
+				&& Objects.equals(this.release, that.release);
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash(results, totalHitsCount, release);
+	}
+
+	@Override
+	public String toString() {
+		return "SearchResultKeys[" + "results=" + results + ", " + "totalHitsCount=" + totalHitsCount + ", " + "release="
+				+ release + ']';
+	}
+
+	@SuppressWarnings("deprecation")
+	@Override
+	protected void finalize() throws Throwable {
+		if (!releaseCalled) {
+			logger.warn("LuceneSearchResult::release has not been called before class finalization!");
+		}
+		super.finalize();
+	}
+
 }
diff --git a/src/main/java/it/cavallium/dbengine/database/LLSearchResultShard.java b/src/main/java/it/cavallium/dbengine/database/LLSearchResultShard.java
index c326fa4..b614424 100644
--- a/src/main/java/it/cavallium/dbengine/database/LLSearchResultShard.java
+++ b/src/main/java/it/cavallium/dbengine/database/LLSearchResultShard.java
@@ -1,7 +1,75 @@
 package it.cavallium.dbengine.database;
 
 import it.cavallium.dbengine.client.query.current.data.TotalHitsCount;
+import it.cavallium.dbengine.lucene.searcher.LuceneSearchResult;
+import java.util.Objects;
+import org.warp.commonutils.log.Logger;
+import org.warp.commonutils.log.LoggerFactory;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
-public record LLSearchResultShard (Flux<LLKeyScore> results, TotalHitsCount totalHitsCount, Mono<Void> release) {}
+public final class LLSearchResultShard {
+
+	private static final Logger logger = LoggerFactory.getLogger(LLSearchResultShard.class);
+
+	private volatile boolean releaseCalled;
+
+	private final Flux<LLKeyScore> results;
+	private final TotalHitsCount totalHitsCount;
+	private final Mono<Void> release;
+
+	public LLSearchResultShard(Flux<LLKeyScore> results, TotalHitsCount totalHitsCount, Mono<Void> release) {
+		this.results = results;
+		this.totalHitsCount = totalHitsCount;
+		this.release = Mono.fromRunnable(() -> {
+			if (releaseCalled) {
+				logger.warn("LuceneSearchResult::release has been called twice!");
+			}
+			releaseCalled = true;
+		}).then(release);
+	}
+
+	public Flux<LLKeyScore> results() {
+		return results;
+	}
+
+	public TotalHitsCount totalHitsCount() {
+		return totalHitsCount;
+	}
+
+	public Mono<Void> release() {
+		return release;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (obj == this)
+			return true;
+		if (obj == null || obj.getClass() != this.getClass())
+			return false;
+		var that = (LLSearchResultShard) obj;
+		return Objects.equals(this.results, that.results) && Objects.equals(this.totalHitsCount, that.totalHitsCount)
+				&& Objects.equals(this.release, that.release);
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash(results, totalHitsCount, release);
+	}
+
+	@Override
+	public String toString() {
+		return "LLSearchResultShard[" + "results=" + results + ", " + "totalHitsCount=" + totalHitsCount + ", " + "release="
+				+ release + ']';
+	}
+
+	@SuppressWarnings("deprecation")
+	@Override
+	protected void finalize() throws Throwable {
+		if (!releaseCalled) {
+			logger.warn("LuceneSearchResult::release has not been called before class finalization!");
+		}
+		super.finalize();
+	}
+
+}
diff --git a/src/main/java/it/cavallium/dbengine/lucene/searcher/LuceneSearchResult.java b/src/main/java/it/cavallium/dbengine/lucene/searcher/LuceneSearchResult.java
index a926e9f..911edae 100644
--- a/src/main/java/it/cavallium/dbengine/lucene/searcher/LuceneSearchResult.java
+++ b/src/main/java/it/cavallium/dbengine/lucene/searcher/LuceneSearchResult.java
@@ -12,9 +12,10 @@ import reactor.core.publisher.Mono;
 
 public final class LuceneSearchResult {
 
-	protected static final Logger logger = LoggerFactory.getLogger(LuceneSearchResult.class);
+	private static final Logger logger = LoggerFactory.getLogger(LuceneSearchResult.class);
 
 	private volatile boolean releaseCalled;
+
 	private final TotalHitsCount totalHitsCount;
 	private final Flux<LLKeyScore> results;
 	private final Mono<Void> release;
@@ -30,15 +31,6 @@ public final class LuceneSearchResult {
 		}).then(release);
 	}
 
-	@SuppressWarnings("deprecation")
-	@Override
-	protected void finalize() throws Throwable {
-		if (!releaseCalled) {
-			logger.warn("LuceneSearchResult::release has not been called before class finalization!");
-		}
-		super.finalize();
-	}
-
 	public TotalHitsCount totalHitsCount() {
 		return totalHitsCount;
 	}
@@ -71,4 +63,13 @@ public final class LuceneSearchResult {
 		return "LuceneSearchResult[" + "totalHitsCount=" + totalHitsCount + ", " + "results=" + results + ']';
 	}
 
+	@SuppressWarnings("deprecation")
+	@Override
+	protected void finalize() throws Throwable {
+		if (!releaseCalled) {
+			logger.warn("LuceneSearchResult::release has not been called before class finalization!");
+		}
+		super.finalize();
+	}
+
 }