public String getNextToken() {
        return this.nextToken;
    }
<p>
A token returned from a previous call to <code>ListDeliverabilityTestReports</code> to indicate the position in
the list of predictive inbox placement tests.
</p>

@return A token returned from a previous call to <code>ListDeliverabilityTestReports</code> to indicate the
        position in the list of predictive inbox placement tests.
aws-java-sdk-pinpointemail/src/main/java/com/amazonaws/services/pinpointemail/model/ListDeliverabilityTestReportsRequest.java