Hide output property from public API

Author: OptimumCode

api/json-schema-validator.api

@@ -159,7 +159,6 @@ public abstract class io/github/optimumcode/json/schema/OutputCollector {
 	public static final fun basic ()Lio/github/optimumcode/json/schema/OutputCollector;
 	public static final fun detailed ()Lio/github/optimumcode/json/schema/OutputCollector;
 	public static final fun flag ()Lio/github/optimumcode/json/schema/OutputCollector;
-	public abstract fun getOutput ()Ljava/lang/Object;
 	protected final fun transformError (Lio/github/optimumcode/json/schema/ValidationError;)Lio/github/optimumcode/json/schema/ValidationError;
 	public static final fun verbose ()Lio/github/optimumcode/json/schema/OutputCollector;
 }

src/commonMain/kotlin/io/github/optimumcode/json/schema/OutputCollector.kt

@@ -28,7 +28,7 @@ public sealed class OutputCollector<T> private constructor(
     public fun verbose(): OutputCollector<OutputUnit> = Verbose()
   }
 
-  public abstract val output: T
+  internal abstract val output: T
   private val transformerFunc: OutputErrorTransformer<T> =
     parent?.let { p ->
       when {