public String getRevisionId() {
        return this.revisionId;
    }
<p>
The current revision of the resource policy. Use the revision ID to make sure that you are updating the most
current version of a resource policy when you add a policy statement to a resource, delete a resource, or update
a resource.
</p>

@return The current revision of the resource policy. Use the revision ID to make sure that you are updating the
        most current version of a resource policy when you add a policy statement to a resource, delete a
        resource, or update a resource.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/DescribeResourcePolicyResult.java