public String getClientToken() {
        return this.clientToken;
    }
<p>
This value helps ensure idempotency. Resource Explorer uses this value to prevent the accidental creation of
duplicate versions. We recommend that you generate a <a
href="https://wikipedia.org/wiki/Universally_unique_identifier">UUID-type value</a> to ensure the uniqueness of
your index.
</p>

@return This value helps ensure idempotency. Resource Explorer uses this value to prevent the accidental creation
        of duplicate versions. We recommend that you generate a <a
        href="https://wikipedia.org/wiki/Universally_unique_identifier">UUID-type value</a> to ensure the
        uniqueness of your index.
aws-java-sdk-resourceexplorer2/src/main/java/com/amazonaws/services/resourceexplorer2/model/CreateIndexRequest.java