public RoundTripTime withP90(Double p90) {
        setP90(p90);
        return this;
    }
<p>
RTT at the 90th percentile (p90).
</p>

@param p90
       RTT at the 90th percentile (p90).
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-internetmonitor/src/main/java/com/amazonaws/services/internetmonitor/model/RoundTripTime.java