public void setObjectGroup(String objectGroup) {
        this.objectGroup = objectGroup;
    }
<p>
A path or file name that defines which objects to include in the group. Wildcards (*) are acceptable.
</p>

@param objectGroup
       A path or file name that defines which objects to include in the group. Wildcards (*) are acceptable.
aws-java-sdk-mediastore/src/main/java/com/amazonaws/services/mediastore/model/MetricPolicyRule.java