public java.util.Date getStart() {
        return this.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>

@return 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