// FIXME: After 0.6 Release of YANGTools refactor to use Path marker interface for arguments.
// import org.opendaylight.yangtools.concepts.Path;
+/**
+ * Reader for reading YANG subtrees based on their path.
+ *
+ * Reader is requested to return object at specified path and all it's subnodes
+ * known to the reader or null if node is not found in this reader.
+ *
+ * @param <P> Path Type
+ * @param <D> Data Type
+ */
public interface DataReader<P/* extends Path<P> */,D> {
/**