diff --git a/gradle.properties b/gradle.properties
index 6617a13..c4191ac 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,7 +4,7 @@ kotlin.code.style=official
 specifyKotlinAsDependency=false
 
 projectGroup=ru.dbotthepony.kommons
-projectVersion=2.9.2
+projectVersion=2.9.3
 
 guavaDepVersion=33.0.0
 gsonDepVersion=2.8.9
diff --git a/src/main/kotlin/ru/dbotthepony/kommons/util/Delegate.kt b/src/main/kotlin/ru/dbotthepony/kommons/util/Delegate.kt
index db45866..bda7a8b 100644
--- a/src/main/kotlin/ru/dbotthepony/kommons/util/Delegate.kt
+++ b/src/main/kotlin/ru/dbotthepony/kommons/util/Delegate.kt
@@ -55,6 +55,20 @@ interface Delegate<V> : Supplier<V>, Consumer<V> {
 		@Deprecated("Warning: Using read-only property as delegate")
 		constructor(prop: KProperty0<V>) : this(prop::get, Consumer { })
 	}
+
+	companion object {
+		/**
+		 * Returns smart box if [getter] or [setter] is not passthrough
+		 */
+		@JvmStatic
+		fun <V> maskSmart(value: V, getter: DelegateGetter<V>, setter: DelegateSetter<V>): Delegate<V> {
+			if (getter === DelegateGetter.passthrough<V>() && setter === DelegateSetter.passthrough<V>()) {
+				return Box(value)
+			} else {
+				return SmartBox(value, getter, setter)
+			}
+		}
+	}
 }
 
 operator fun <V> Supplier<V>.getValue(ref: Any?, property: KProperty<*>): V {