Current Ozone code uses the Hadoop version from @InterfaceAudience and @InterfaceStability annotations.
While Hadoop uses the annotations during the javadoc generation, in Ozone they are used only as markers as Ozone doesn't generate javadoc during the releases.
The two annotations are in the Hadoop common project. I propose to copy them and use the copied annotations instead of the original one. It would help us to reduce the dependencies on Hadoop (the hadoop-common which contains the original annotations has 87 transitive dependencies!!)