.username(null)
                                    .passphrase(null)
                                    .privateKey(null)
                                    .password(null)
                                    .filePermissions(null)
                                    .directoryPermissions(null)
                                    .build())
                            .toList())

                String serverField = "servers.server[" + i + "]";
                validateStringEmpty(problems, serverField + ".username", server.getUsername(), msgS);
                validateStringEmpty(problems, serverField + ".password", server.getPassword(), msgS);
                validateStringEmpty(problems, serverField + ".privateKey", server.getPrivateKey(), msgS);

          <description>
            The proxy user.
          </description>
          <type>String</type>
        </field>
        <field>
          <name>password</name>
          <version>1.0.0+</version>
          <description>
            The proxy password.
          </description>
          <type>String</type>
        </field>
        <field xml.tagName="port">
          <name>portString</name>

                    Authentication result = new Authentication(
                            authCtx.get(AuthenticationContext.USERNAME), authCtx.get(AuthenticationContext.PASSWORD));
                    result.setPrivateKey(authCtx.get(AuthenticationContext.PRIVATE_KEY_PATH));
                    result.setPassphrase(authCtx.get(AuthenticationContext.PRIVATE_KEY_PASSPHRASE));

                    p.setUserName(authCtx.get(AuthenticationContext.USERNAME));
                    p.setPassword(authCtx.get(AuthenticationContext.PASSWORD));
                    p.setNtlmDomain(authCtx.get(AuthenticationContext.NTLM_DOMAIN));
                    p.setNtlmHost(authCtx.get(AuthenticationContext.NTLM_WORKSTATION));
                    authCtx.close();