int hash = (proxy.getUserName() + proxy.getPassword()).hashCode();
                buffer.append(hash).append('@');
            }
            buffer.append(proxy.getHost()).append(':').append(proxy.getPort()).append('>');
        }

        // consider the username&password because a repo manager might block artifacts depending on authorization
        Authentication auth = repository.getAuthentication();

    }

    private ProxyInfo proxyInfo(ArtifactRepository repository) {
        ProxyInfo proxyInfo = new ProxyInfo();
        proxyInfo.setHost(repository.getProxy().getHost());
        proxyInfo.setType(repository.getProxy().getProtocol());
        proxyInfo.setPort(repository.getProxy().getPort());
        proxyInfo.setNonProxyHosts(repository.getProxy().getNonProxyHosts());
        proxyInfo.setUserName(repository.getProxy().getUserName());

    // IPv6 literals.
    HostAndPort parsedHost = HostAndPort.fromString(specifier);
    Preconditions.checkArgument(!parsedHost.hasPort());
    String host = parsedHost.getHost();

    // Try to interpret the specifier as an IP address. Note we build
    // the address rather than using the .is* methods because we want to
    // use InetAddresses.toUriString to convert the result to a string in

                            null,
                            "must be unique but found duplicate proxy with id " + proxy.getId());
                }
                validateStringNotEmpty(problems, "proxies.proxy.host", proxy.getHost(), proxy.getId());
            }
        }
    }

    private void validateRepositories(SettingsProblemCollector problems, List<Repository> repositories, String prefix) {

        if (proxy != null) {
            sb.append(LS)
                    .append("    proxy: ")
                    .append(proxy.getHost())
                    .append(':')
                    .append(proxy.getPort());
        }

        if (snapshots != null) {
            sb.append(LS).append("snapshots: [enabled => ").append(snapshots.isEnabled());

            AuthenticationBuilder authBuilder = new AuthenticationBuilder();
            authBuilder.addUsername(proxy.getUserName()).addPassword(proxy.getPassword());
            result = new Proxy(proxy.getProtocol(), proxy.getHost(), proxy.getPort(), authBuilder.build());
        }
        return result;
    }

    public static ArtifactHandler newHandler(Artifact artifact) {

            proxySelector.add(
                    new org.eclipse.aether.repository.Proxy(
                            proxy.getProtocol(), proxy.getHost(), proxy.getPort(), authBuilder.build()),
                    proxy.getNonProxyHosts());
        }
        sessionBuilder.setProxySelector(proxySelector);

HSPLokhttp3/internal/connection/RealCall$AsyncCall;-><init>(Lokhttp3/internal/connection/RealCall;Lokhttp3/Callback;)V
HSPLokhttp3/internal/connection/RealCall$AsyncCall;->getHost()Ljava/lang/String;
HSPLokhttp3/internal/connection/RealCall$AsyncCall;->run()V
HSPLokhttp3/internal/connection/RealCall$CallReference;-><init>(Lokhttp3/internal/connection/RealCall;Ljava/lang/Object;)V

    int index = aValidIndex();
    E initialValue = getList().get(index);
    assertEquals(
        "set(i, x) should return the old element at position i.",
        initialValue,
        getList().set(index, newValue));
    assertEquals("After set(i, x), get(i) should return x", newValue, getList().get(index));
    assertEquals("set() should not change the size of a list.", getNumElements(), getList().size());
  }

        "addAll(n, allPresent) should return true",
        getList().addAll(0, MinimalCollection.of(e0())));
    expectAdded(0, e0());
  }

  @ListFeature.Require(absent = SUPPORTS_ADD_WITH_INDEX)
  @CollectionSize.Require(absent = ZERO)
  public void testAddAllAtIndex_unsupportedAllPresent() {
    assertThrows(
        UnsupportedOperationException.class, () -> getList().addAll(0, MinimalCollection.of(e0())));
    expectUnchanged();
  }