private static final PermissionSupplier directoryPermissions;

    static {
      Set<String> views = FileSystems.getDefault().supportedFileAttributeViews();
      if (views.contains("posix")) {
        filePermissions = () -> asFileAttribute(PosixFilePermissions.fromString("rw-------"));
        directoryPermissions = () -> asFileAttribute(PosixFilePermissions.fromString("rwx------"));

                                    .privateKey(null)
                                    .password(null)
                                    .filePermissions(null)
                                    .directoryPermissions(null)
                                    .build())
                            .toList())
                    .build();
        }

        return settings;
    }

                validateStringEmpty(problems, serverField + ".filePermissions", server.getFilePermissions(), msgS);
                validateStringEmpty(
                        problems, serverField + ".directoryPermissions", server.getDirectoryPermissions(), msgS);
            }
        }

        if (settings.isUsePluginRegistry()) {
            addViolation(
                    problems,

          <description>
            The permissions for files when they are created.
          </description>
          <type>String</type>
        </field>
        <field>
          <name>directoryPermissions</name>
          <version>1.0.0+</version>
          <description>
            The permissions for directories when they are created.
          </description>
          <type>String</type>
        </field>