diff --git a/src/commonMain/kotlin/ru/landgrafhomyak/utility/closeable_state_1/ErrorOnConcurrentAccessState.kt b/src/commonMain/kotlin/ru/landgrafhomyak/utility/closeable_state_1/ErrorOnConcurrentAccessState.kt
index 8b166bb..f2e7a8f 100644
--- a/src/commonMain/kotlin/ru/landgrafhomyak/utility/closeable_state_1/ErrorOnConcurrentAccessState.kt
+++ b/src/commonMain/kotlin/ru/landgrafhomyak/utility/closeable_state_1/ErrorOnConcurrentAccessState.kt
@@ -12,14 +12,14 @@ public open class ErrorOnConcurrentAccessState : CloseableState.ExternallySynchr
 	private val _state = newAtomicRef(State.OPEN)
 
 
-	final override val isInUse: Boolean
+	public final override val isInUse: Boolean
 		get() = this._state.get() === State.IN_USE
 
-	open override fun throwClosed(): Nothing {
+	public open override fun throwClosed(): Nothing {
 		throw IllegalStateException("Object is closed")
 	}
 
-	open override fun throwInUse(): Nothing {
+	public open override fun throwInUse(): Nothing {
 		throw IllegalStateException("Failed close object because it is in use")
 	}
 
@@ -27,16 +27,16 @@ public open class ErrorOnConcurrentAccessState : CloseableState.ExternallySynchr
 		throw IllegalStateException("Object is in use by another thread")
 	}
 
-	final override fun assertNotClosed() {
+	public final override fun assertNotClosed() {
 		if (this._state.get() === State.CLOSED)
 			this.throwClosed()
 	}
 
-	final override val isClosed: Boolean
+	public final override val isClosed: Boolean
 		get() = this._state.get() === State.CLOSED
 
 	@ManualStateManipulation
-	final override fun startUsage() {
+	public final override fun startUsage() {
 		when (this._state.compareAndExchange(State.OPEN, State.IN_USE)) {
 			State.OPEN -> {}
 			State.IN_USE -> this.throwConcurrent()
@@ -45,7 +45,7 @@ public open class ErrorOnConcurrentAccessState : CloseableState.ExternallySynchr
 	}
 
 	@ManualStateManipulation
-	override fun finishUsage() {
+	public final override fun finishUsage() {
 		when (this._state.compareAndExchange(State.IN_USE, State.OPEN)) {
 			State.OPEN -> throw IllegalStateException("Can't finish usage because not it not started")
 			State.IN_USE -> {}
@@ -54,7 +54,7 @@ public open class ErrorOnConcurrentAccessState : CloseableState.ExternallySynchr
 	}
 
 	@ManualStateManipulation
-	override fun close() {
+	public final override fun close() {
 		when (this._state.compareAndExchange(State.OPEN, State.CLOSED)) {
 			State.OPEN -> {}
 			State.IN_USE -> this.throwConcurrent()
@@ -63,7 +63,7 @@ public open class ErrorOnConcurrentAccessState : CloseableState.ExternallySynchr
 	}
 
 
-	override fun toString(): String =
+	public open override fun toString(): String =
 		when (this._state.get()) {
 			State.OPEN -> "<closeable error-on-concurrent-access state [free]>"
 			State.IN_USE -> "<closeable error-on-concurrent-access state [in use]>"
diff --git a/src/commonMain/kotlin/ru/landgrafhomyak/utility/closeable_state_1/UsagesCounter.kt b/src/commonMain/kotlin/ru/landgrafhomyak/utility/closeable_state_1/UsagesCounter.kt
index cfdaee2..26e1a28 100644
--- a/src/commonMain/kotlin/ru/landgrafhomyak/utility/closeable_state_1/UsagesCounter.kt
+++ b/src/commonMain/kotlin/ru/landgrafhomyak/utility/closeable_state_1/UsagesCounter.kt
@@ -54,7 +54,7 @@ public open class UsagesCounter : CloseableState.AllowsConcurrency {
 		}
 	}
 
-	override fun toString(): String {
+	public open override fun toString(): String {
 		val cached = this._value.get()
 		@Suppress("LiftReturnOrAssignment")
 		if (cached < 0)