public void setScheduleDefinitions(java.util.Collection<String> scheduleDefinitions) {
        if (scheduleDefinitions == null) {
            this.scheduleDefinitions = null;
            return;
        }

        this.scheduleDefinitions = new com.amazonaws.internal.SdkInternalList<String>(scheduleDefinitions);
    }
<p>
The definition of the snapshot schedule. The definition is made up of schedule expressions, for example
"cron(30 12 *)" or "rate(12 hours)".
</p>

@param scheduleDefinitions
       The definition of the snapshot schedule. The definition is made up of schedule expressions, for example
       "cron(30 12 *)" or "rate(12 hours)".
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/CreateSnapshotScheduleRequest.java