return optional.orElse(null);
  }

  /**
   * Returns the minimum of the two values. If the values compare as 0, the first is returned.
   *
   * <p>The recommended solution for finding the {@code minimum} of some values depends on the type
   * of your data and the number of elements you have. Read more in the Guava User Guide article on

     * Last fragment flag - indicates last fragment of a multi-fragment message
     */
    int DCERPC_LAST_FRAG = 0x02; /* Last fragment */
    /**
     * Pending cancel flag - indicates cancel was pending at sender
     */
    int DCERPC_PENDING_CANCEL = 0x04; /* Cancel was pending at sender */
    /**
     * Reserved flag for future use
     */
    int DCERPC_RESERVED_1 = 0x08;
    /**
     * Supports concurrent multiplexing flag

        }
        return null;
    }

    private DcerpcBinding binding;
    private int max_xmit, max_recv;

    /**
     * Construct bind message
     *
     */
    public DcerpcBind() {
    }

    DcerpcBind(final DcerpcBinding binding, final DcerpcHandle handle) {
        this.binding = binding;
        this.max_xmit = handle.getMaxXmit();
        this.max_recv = handle.getMaxRecv();

        }
        return null;
    }

    DcerpcBinding binding;
    int max_xmit, max_recv;

    /**
     * Constructs a new DcerpcBind message.
     */
    public DcerpcBind() {
    }

    DcerpcBind(final DcerpcBinding binding, final DcerpcHandle handle) {
        this.binding = binding;
        max_xmit = handle.max_xmit;
        max_recv = handle.max_recv;
        ptype = 11;

                    }
                    binding.setOption(key, val);
                    key = null;
                }
                break;
            default:
                si = arr.length;
            }

            si++;
        } while (si < arr.length);

        if (binding == null || binding.endpoint == null) {
            throw new DcerpcException("Invalid binding URL: " + str);
        }

     * Last fragment flag - indicates last fragment of a multi-fragment message
     */
    int DCERPC_LAST_FRAG = 0x02; /* Last fragment */
    /**
     * Pending cancel flag - indicates cancel was pending at sender
     */
    int DCERPC_PENDING_CANCEL = 0x04; /* Cancel was pending at sender */
    /**
     * Reserved flag for future use
     */
    int DCERPC_RESERVED_1 = 0x08;
    /**
     * Supports concurrent multiplexing flag.

package jcifs.ntlmssp.av;

/**
 * NTLMSSP AV pair representing channel binding information for enhanced security.
 * Used to bind NTLM authentication to specific communication channels.
 *
 * @author mbechler
 */
public class AvChannelBindings extends AvPair {

    /**
     * Constructs an AV channel bindings pair
     * @param channelBindingHash the channel binding hash value
     */

    /**
     * Get the protocol for this binding.
     * @return the proto
     */
    public String getProto() {
        return this.proto;
    }

    /**
     * Get the options for this binding.
     * @return the options
     */
    public Map<String, Object> getOptions() {
        return this.options;
    }

    /**
     * Get the server for this binding.
     * @return the server
     */

    val c1 = factory.newConnection(pool, routeA1, 50L)

    // Running at time 50, the pool returns that nothing can be evicted until time 150.
    assertThat(pool.closeConnections(50L)).isEqualTo(100L)
    assertThat(pool.connectionCount()).isEqualTo(1)
    assertThat(c1.socket().isClosed).isFalse()

    // Running at time 60, the pool returns that nothing can be evicted until time 150.

    }

    private String makePipeUrl() {
        final DcerpcBinding binding = getBinding();
        StringBuilder url =
                new StringBuilder("smb://").append(binding.getServer()).append("/IPC$/").append(binding.getEndpoint().substring(6));

        String params = "";
        final String server = (String) binding.getOption("server");
        if (server != null) {
            params += "&server=" + server;