the java8 hint isn't true anymore
@@ -176,7 +176,7 @@ public String toString() {
* bytes to compress and may be invoked multiple times during the
* execution of {@link #compress} or {@link #finish}.</p>
*/
- public interface Callback /* extends Consumer<Block> */ {
+ public interface Callback {
/**
* Consumes a block.
* @param b the block to consume
