public Pebble doWith(final BiConsumer<PebbleEngine.Builder, Config> callback) {
    this.callback = requireNonNull(callback, "Callback is required.");
    return this;
  }
public Pebble doWith(final BiConsumer<PebbleEngine.Builder, Config> callback) {
    this.callback = requireNonNull(callback, "Callback is required.");
    return this;
  }
public Pebble doWith ( final BiConsumer < PebbleEngine . Builder , Config > callback ) { this . callback = requireNonNull ( callback , "Callback is required." ) ; return this ; }
Advanced configuration callback for {@link PebbleEngine.Builder}.

@param callback A callback to finish setup.
@return This module.
Advanced configuration callback for { @link PebbleEngine . Builder } .