public GetPatchBaselineResult withApprovalRules(PatchRuleGroup approvalRules) {
        setApprovalRules(approvalRules);
        return this;
    }
<p>
A set of rules used to include patches in the baseline.
</p>

@param approvalRules
       A set of rules used to include patches in the baseline.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/GetPatchBaselineResult.java