public java.util.List<String> getPatchGroups() {
        if (patchGroups == null) {
            patchGroups = new com.amazonaws.internal.SdkInternalList<String>();
        }
        return patchGroups;
    }
<p>
Patch groups included in the patch baseline.
</p>

@return Patch groups included in the patch baseline.
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/GetPatchBaselineResult.java