public String getNextPollConfigurationToken() {
        return this.nextPollConfigurationToken;
    }
<p>
The latest token describing the current state of the configuration session. This <i>must</i> be provided to the
next call to <code>GetLatestConfiguration.</code>
</p>
<important>
<p>
This token should only be used once. To support long poll use cases, the token is valid for up to 24 hours. If a
<code>GetLatestConfiguration</code> call uses an expired token, the system returns
<code>BadRequestException</code>.
</p>
</important>

@return The latest token describing the current state of the configuration session. This <i>must</i> be provided
        to the next call to <code>GetLatestConfiguration.</code> </p> <important>
        <p>
        This token should only be used once. To support long poll use cases, the token is valid for up to 24
        hours. If a <code>GetLatestConfiguration</code> call uses an expired token, the system returns
        <code>BadRequestException</code>.
        </p>
aws-java-sdk-appconfigdata/src/main/java/com/amazonaws/services/appconfigdata/model/GetLatestConfigurationResult.java