public String getGroupIdentifier() {
        return this.groupIdentifier;
    }
<p>
Specifies which group to delete. You can specify the group name, the ARN, or the group ID as the
<code>GroupIdentifier</code>.
</p>

@return Specifies which group to delete. You can specify the group name, the ARN, or the group ID as the
        <code>GroupIdentifier</code>.
aws-java-sdk-synthetics/src/main/java/com/amazonaws/services/synthetics/model/DeleteGroupRequest.java