public ListPublicKeysRequest withStartTime(java.util.Date startTime) {
        setStartTime(startTime);
        return this;
    }
<p>
Optionally specifies, in UTC, the start of the time range to look up public keys for CloudTrail digest files. If
not specified, the current time is used, and the current public key is returned.
</p>

@param startTime
       Optionally specifies, in UTC, the start of the time range to look up public keys for CloudTrail digest
       files. If not specified, the current time is used, and the current public key is returned.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-cloudtrail/src/main/java/com/amazonaws/services/cloudtrail/model/ListPublicKeysRequest.java