Un-deprecate org.bson.Transformer
It's still used in several Codec implementations, so it should not have
been deprecated.
@@ -18,10 +18,7 @@ package org.bson;
/**
* Transforms objects that can be converted to BSON into other Java types, and vice versa.
- * @deprecated there is no direct replacement for this class, but you can achieve the same effect more flexibly using a
- * {@link org.bson.codecs.configuration.CodecRegistry}.
*/
-@Deprecated
public interface Transformer {
/**
* Turns the {@code objectToTransform} into some other {@code Object}. This can either be turning a simple BSON-friendly object into a
