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<li><span class="section-nav-list-main-title">SDKS</span></li>

<li>
  <span class="section-nav-list-title">Java</span>
  <ul class="section-nav-list">
    <li><a href="{{ site.baseurl }}/documentation/sdks/java/">Java SDK overview</a></li>
    <li><a href="{{ site.baseurl }}/documentation/sdks/javadoc/{{ site.release_latest }}/" target="_blank">Java SDK API reference <img src="{{ site.baseurl }}/images/external-link-icon.png"
                                                                                                                                   width="14" height="14"
                                                                                                                                   alt="External link."></a>
    </li>
    <li><a href="{{ site.baseurl }}/documentation/sdks/java-extensions/">Java SDK extensions</a></li>
    <li><a href="{{ site.baseurl }}/documentation/sdks/java-thirdparty/">Java 3rd party extensions</a></li>
    <li><a href="{{ site.baseurl }}/documentation/sdks/java/nexmark/">Nexmark benchmark suite</a></li>
  </ul>
</li>

<li>
  <span class="section-nav-list-title">Python</span>
  <ul class="section-nav-list">
    <li><a href="{{ site.baseurl }}/documentation/sdks/python/">Python SDK overview</a></li>
    <li><a href="{{ site.baseurl }}/documentation/sdks/pydoc/{{ site.release_latest }}/" target="_blank">Python SDK API reference <img src="{{ site.baseurl }}/images/external-link-icon.png"
                                                                                                                                   width="14" height="14"
                                                                                                                                   alt="External link."></a>
    </li>
    <li><a href="{{ site.baseurl }}/documentation/sdks/python-streaming/">Python streaming pipelines</a></li>
    <li><a href="{{ site.baseurl }}/documentation/sdks/python-type-safety/">Ensuring Python type safety</a></li>
    <li><a href="{{ site.baseurl }}/documentation/sdks/python-pipeline-dependencies/">Managing pipeline dependencies</a></li>
    <li><a href="{{ site.baseurl }}/documentation/sdks/python-custom-io/">Creating new sources and sinks</a></li>
  </ul>
</li>

<li>
  <span class="section-nav-list-title">Go SDK</span>
  <ul class="section-nav-list">
    <li><a href="{{ site.baseurl }}/documentation/sdks/go/">Go SDK overview</a></li>
    <li><a href="https://godoc.org/github.com/apache/beam/sdks/go/pkg/beam" target="_blank">Go SDK API reference <img src="{{ site.baseurl }}/images/external-link-icon.png"
                                                                                                                                   width="14" height="14"
                                                                                                                                   alt="External link."></a>
    </li>
  </ul>
</li>

<li>
  <span class="section-nav-list-title">SQL</span>
  <ul class="section-nav-list">
    <li><a href="{{ site.baseurl }}/documentation/dsls/sql/overview/">Overview</a></li>
    <li><a href="{{ site.baseurl }}/documentation/dsls/sql/walkthrough/">Walkthrough</a></li>
    <li class="section-nav-item--collapsible">
      <span class="section-nav-list-title">SQL Reference</span>

      <ul class="section-nav-list">
        <li><a href="{{ site.baseurl }}/documentation/dsls/sql/data-types/">Data types</a></li>
	<li class="section-nav-item--collapsible">
          <span class="section-nav-list-title">Statements</span>

          <ul class="section-nav-list">
            <li><a href="{{ site.baseurl }}/documentation/dsls/sql/statements/create-table/">CREATE TABLE</a></li>
            <li><a href="{{ site.baseurl }}/documentation/dsls/sql/statements/select/">SELECT</a></li>
          </ul>
        </li>
        <li><a href="{{ site.baseurl }}/documentation/dsls/sql/windowing-and-triggering/">Windowing & Triggering</a></li>
        <li><a href="{{ site.baseurl }}/documentation/dsls/sql/joins/">Joins</a></li>
        <li><a href="{{ site.baseurl }}/documentation/dsls/sql/scalar-functions/">Scalar functions</a></li>
        <li><a href="{{ site.baseurl }}/documentation/dsls/sql/aggregate-functions/">Aggregate functions</a></li>
        <li><a href="{{ site.baseurl }}/documentation/dsls/sql/user-defined-functions/">User-defined functions</a></li>
      </ul>
    </li>
  </ul>
</li>
