public void setStart(java.util.Date start) {
        this.start = start;
    }
<p>
The time that aggregation of posted agent profiles for a profiling group starts. The aggregation profile contains
profiles posted by the agent starting at this time for an aggregation period specified by the <code>period</code>
property of the <code>AggregatedProfileTime</code> object.
</p>
<p>
Specify <code>start</code> using the ISO 8601 format. For example, 2020-06-01T13:15:02.001Z represents 1
millisecond past June 1, 2020 1:15:02 PM UTC.
</p>

@param start
       The time that aggregation of posted agent profiles for a profiling group starts. The aggregation profile
       contains profiles posted by the agent starting at this time for an aggregation period specified by the
       <code>period</code> property of the <code>AggregatedProfileTime</code> object. </p>
       <p>
       Specify <code>start</code> using the ISO 8601 format. For example, 2020-06-01T13:15:02.001Z represents 1
       millisecond past June 1, 2020 1:15:02 PM UTC.
aws-java-sdk-codeguruprofiler/src/main/java/com/amazonaws/services/codeguruprofiler/model/AggregatedProfileTime.java