public AccountBuilder addOrUpdateContainer(Container container) {
    if (container != null) {
      idToContainerMetadataMap.put(container.getId(), container);
    }
    return this;
  }
Adds a {@link Container} for the {@link Account} to build. If the builder already has a {@link Container} with
the same id as new {@link Container} to set, the new {@link Container} will replace the existing {@link Container}.
@param container The new {@link Container} to set.
@return This builder.
ambry-api/src/main/java/com/github/ambry/account/AccountBuilder.java