public void setPropertyGroups(java.util.Collection<PropertyGroup> propertyGroups) {
        if (propertyGroups == null) {
            this.propertyGroups = null;
            return;
        }

        this.propertyGroups = new java.util.ArrayList<PropertyGroup>(propertyGroups);
    }
<p>
Describes updates to the execution property groups.
</p>

@param propertyGroups
       Describes updates to the execution property groups.
aws-java-sdk-kinesisanalyticsv2/src/main/java/com/amazonaws/services/kinesisanalyticsv2/model/EnvironmentPropertyUpdates.java