public PrefetchRetrieval withStartTime(java.util.Date startTime) {
        setStartTime(startTime);
        return this;
    }
<p>
The time when prefetch retrievals can start for this break. Ad prefetching will be attempted for manifest
requests that occur at or after this time. Defaults to the current time. If not specified, the prefetch retrieval
starts as soon as possible.
</p>

@param startTime
       The time when prefetch retrievals can start for this break. Ad prefetching will be attempted for manifest
       requests that occur at or after this time. Defaults to the current time. If not specified, the prefetch
       retrieval starts as soon as possible.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mediatailor/src/main/java/com/amazonaws/services/mediatailor/model/PrefetchRetrieval.java