public static HtmlR

Defines an object that passes safe strings through BigPipe's render pipeline. This object should only be constructed with a known safe string

public BigPipeResponse::sendContent()

The BigPipe placeholder replacements stop signal. File core/modules/big_pipe/src/Render/BigPipe.php,

protected BigPipe::filterEmbeddedResponse(Request $fake_request, Response

The session. Type: \Symfony\Component\HttpFoundation\Session\SessionInterface File

protected BigPipe::sendPlaceholders(array $placeholders, array $placeholder_order

The BigPipe placeholder replacements start signal. File core/modules/big_pipe/src/Render/BigPipe.php

The BigPipe service. Type:

public HtmlResponse