fixup! Add new method

Author: jfreden

x-pack/plugin/security/lib/nimbus-jose-jwt-modified/src/main/java/com/nimbusds/jose/util/JSONObjectUtils.java

@@ -15,6 +15,7 @@
 import java.text.ParseException;
 import java.util.List;
 import java.util.Map;
+import java.util.Date;
 
 /**
  * This class wraps {@link org.elasticsearch.nimbus.jose.util.JSONObjectUtils}, which is copied directly from the source
@@ -192,6 +193,16 @@ public static Base64URL getBase64URL(final Map<String, Object> o, final String k
         }
     }
 
+    public static Date getEpochSecondAsDate(final Map<String, Object> o, final String key) throws ParseException {
+        try {
+            return AccessController.doPrivileged(
+                (PrivilegedExceptionAction<Date>) () -> org.elasticsearch.nimbus.jose.util.JSONObjectUtils.getEpochSecondAsDate(o, key)
+            );
+        } catch (PrivilegedActionException e) {
+            throw (ParseException) e.getException();
+        }
+    }
+
     public static String toJSONString(final Map<String, ?> o) {
         return AccessController.doPrivileged(
             (PrivilegedAction<String>) () -> org.elasticsearch.nimbus.jose.util.JSONObjectUtils.toJSONString(o)