public String getAlarmNamePrefix() {
        return this.alarmNamePrefix;
    }
<p>
An alarm name prefix. If you specify this parameter, you receive information about all alarms that have names
that start with this prefix.
</p>
<p>
If this parameter is specified, you cannot specify <code>AlarmNames</code>.
</p>

@return An alarm name prefix. If you specify this parameter, you receive information about all alarms that have
        names that start with this prefix.</p>
        <p>
        If this parameter is specified, you cannot specify <code>AlarmNames</code>.
aws-java-sdk-cloudwatch/src/main/java/com/amazonaws/services/cloudwatch/model/DescribeAlarmsRequest.java