public ContainerBuilder setNamedBlobMode(NamedBlobMode namedBlobMode) {
    this.namedBlobMode = namedBlobMode;
    return this;
  }
Sets the named blob API mode for the container.
@param namedBlobMode the {@link NamedBlobMode} to set.
@return This builder.
ambry-api/src/main/java/com/github/ambry/account/ContainerBuilder.java