public String getPolicyRevision() {
        return this.policyRevision;
    }
<p>
Sets the revision of the resource policy that specifies permissions to access the repository. This revision is
used for optimistic locking, which prevents others from overwriting your changes to the repository's resource
policy.
</p>

@return Sets the revision of the resource policy that specifies permissions to access the repository. This
        revision is used for optimistic locking, which prevents others from overwriting your changes to the
        repository's resource policy.
aws-java-sdk-codeartifact/src/main/java/com/amazonaws/services/codeartifact/model/PutRepositoryPermissionsPolicyRequest.java