public Hbs doWith(final Consumer<Handlebars> callback) {
    requireNonNull(callback, "Configurer is required.");
    return doWith((hbs, conf) -> callback.accept(hbs));
  }
public Hbs doWith(final Consumer<Handlebars> callback) {
    requireNonNull(callback, "Configurer is required.");
    return doWith((hbs, conf) -> callback.accept(hbs));
  }
public Hbs doWith ( final Consumer < Handlebars > callback ) { requireNonNull ( callback , "Configurer is required." ) ; return doWith ( ( hbs , conf ) -> callback . accept ( hbs ) ) ; }
Set a handlebars callback.

<pre>{@code
{
use(new Hbs().doWith((hbs, conf) -> {
...
});
}
}</pre>
@param callback Configurer callback.
@return This module.
Set a handlebars callback .