return nil
	}
	if w.Endpoint.IsEmpty() {
		return errors.New("endpoint empty")
	}
	if w.ClientCert != "" && w.ClientKey == "" || w.ClientCert == "" && w.ClientKey != "" {
		return errors.New("cert and key must be specified as a pair")
	}
	return nil
}

// WebhookTarget - Webhook target.
type WebhookTarget struct {
	activeRequests int64
	totalRequests  int64
	failedRequests int64

	lazyInit lazyInit

)

// Context is a set of key-value pairs that
// are associated with a generate data encryption
// key (DEK).
//
// A KMS implementation may bind the context to the
// generated DEK such that the same context must be
// provided when decrypting an encrypted DEK.
type Context map[string]string

// MarshalText returns a canonical text representation of
// the Context.

// MarshalText sorts the context keys and writes the sorted

     */
    protected IndexExportFormatter createFormatter(final String format) {
        if (format == null || format.trim().isEmpty()) {
            throw new IllegalArgumentException("Export format must not be null or empty");
        }
        switch (format.trim().toLowerCase()) {
        case "html":
            return new HtmlIndexExportFormatter();
        case "json":

                // we dangerously assume E is a string
                List<E> extremeValues = (List<E>) getExtremeValues();
                @SuppressWarnings("unchecked")
                // map generators must past entry objects
                List<E> normalValues = (List<E>) asList(entries);

                // prepare extreme values to be filtered out of view
                sort(extremeValues, comparator);

        URLConnection connection = handler.openConnection(url);

        assertNotNull(connection, "The resulting connection should not be null.");
        assertTrue(connection instanceof NtlmHttpURLConnection, "Connection must be wrapped in NtlmHttpURLConnection.");

        // Verify that our custom factory was indeed used.
        verify(mockFactory).createURLStreamHandler("http");
    }

    @Test

						conn.Close()
						return nil, err
					}
				} else {
					if _, err = conn.Do("AUTH", args.Password); err != nil {
						conn.Close()
						return nil, err
					}
				}
			}

			// Must be done after AUTH
			if _, err = conn.Do("CLIENT", "SETNAME", "MinIO"); err != nil {
				conn.Close()
				return nil, err
			}

			return conn, nil
		},

   * first specified. That is, if multiple elements are {@linkplain Object#equals equal}, all except
   * the first are ignored.
   *
   * <p>The array {@code others} must not be longer than {@code Integer.MAX_VALUE - 6}.
   *
   * @since 3.0 (source-compatible since 2.0)
   */
  @SafeVarargs // For Eclipse. For internal javac we have disabled this pointless type of warning.

      @Override
      public Iterable<T> children(T root) {
        return nodeToChildrenFunction.apply(root);
      }
    };
  }

  /** Returns the children of the specified node. Must not contain null. */
  public abstract Iterable<T> children(T root);

  /**
   * Returns an unmodifiable iterable over the nodes in a tree structure, using pre-order traversal.

        bb.putInt(0);

        // InterfaceIndex (4 bytes)
        bb.putInt(interfaceIndex);

        // Capability (4 bytes)
        bb.putInt(capability);

        // Reserved (4 bytes) - must be 0
        bb.putInt(0);

        // LinkSpeed (8 bytes) - in bits per second
        bb.putLong((long) linkSpeed * 1000000L);

        // SockAddr_Storage (128 bytes)
        encodeSockaddr(buffer, 24);

            } else if (!(USER_LEVEL.equals(sourceLevel) || GLOBAL_LEVEL.equals(sourceLevel))) {
                throw new IllegalArgumentException("sourceLevel must be one of: {" + USER_LEVEL + "," + GLOBAL_LEVEL + "}");
            } else {
                this.sourceLevel = sourceLevel;
                this.sourceLevelSet = true;
            }
        }