code: public static ListStatusContext mergeFrom(ListStatusPOptions.Builder optionsBuilder) {
      ListStatusPOptions masterOptions =
          FileSystemOptions.listStatusDefaults(ServerConfiguration.global());
      ListStatusPOptions.Builder mergedOptionsBuilder =
          masterOptions.toBuilder().mergeFrom(optionsBuilder.build());
      return create(mergedOptionsBuilder);
    }
docs: Merges and embeds the given {@link ListStatusPOptions} with the corresponding master options.
  
  @param optionsBuilder Builder for proto {@link ListStatusPOptions} to merge with defaults
  @return the instance of {@link ListStatusContext} with default values for master