{% if page.language == "en" %}
This documentation is for an out-of-date version of Apache Flink. We recommend you use the latest stable version.
{% else if page.language == "zh" %}
本文档是 Apache Flink 的旧版本。建议访问 最新的稳定版本。
{% endif %}
{% endif %}
{% comment %}
This is the base for all content. The content from the layouts found in
the _layouts directory goes here.
{% endcomment %}
{% include sidenav.html %}
{%- if page.mathjax -%}
{%- include latex_commands.html -%}
{%- endif %}
{{ content }}