src/java.base/share/classes/java/security/cert/X509Extension.java

@@ -63,10 +63,11 @@
  * method returns the DER-encoded OCTET STRING of the
  * extension value (i.e., the {@code extnValue}). This can then
  * be handled by a <em>Class</em> that understands the extension.
  *
  * @author Hemma Prafullchandra
+ * @since 1.2
  */
 
 public interface X509Extension {
 
     /**