public String getTLSSecurityPolicy() {
        return this.tLSSecurityPolicy;
    }
<p>
Specify the TLS security policy that needs to be applied to the HTTPS endpoint of Elasticsearch domain. <br/>
It can be one of the following values:
<ul>
<li><b>Policy-Min-TLS-1-0-2019-07: </b> TLS security policy that supports TLS version 1.0 to TLS version 1.2</li>
<li><b>Policy-Min-TLS-1-2-2019-07: </b> TLS security policy that supports only TLS version 1.2</li>
<li><b>Policy-Min-TLS-1-2-PFS-2023-10: </b> TLS security policy that supports TLS version 1.2 to TLS version 1.3
with perfect forward secrecy cipher suites</li>
</ul>
</p>

@return Specify the TLS security policy that needs to be applied to the HTTPS endpoint of Elasticsearch domain. <br/>
        It can be one of the following values:
        <ul>
        <li><b>Policy-Min-TLS-1-0-2019-07: </b> TLS security policy that supports TLS version 1.0 to TLS version
        1.2</li>
        <li><b>Policy-Min-TLS-1-2-2019-07: </b> TLS security policy that supports only TLS version 1.2</li>
        <li><b>Policy-Min-TLS-1-2-PFS-2023-10: </b> TLS security policy that supports TLS version 1.2 to TLS
        version 1.3 with perfect forward secrecy cipher suites</li>
        </ul>
@see TLSSecurityPolicy
aws-java-sdk-elasticsearch/src/main/java/com/amazonaws/services/elasticsearch/model/DomainEndpointOptions.java