public ValueHolder getDigestTipAddress() {
        return this.digestTipAddress;
    }
<p>
The latest block location covered by the digest for which to request a proof. An address is an Amazon Ion
structure that has two fields: <code>strandId</code> and <code>sequenceNo</code>.
</p>
<p>
For example: <code>{strandId:"BlFTjlSXze9BIh1KOszcE3",sequenceNo:49}</code>.
</p>

@return The latest block location covered by the digest for which to request a proof. An address is an Amazon Ion
        structure that has two fields: <code>strandId</code> and <code>sequenceNo</code>.</p>
        <p>
        For example: <code>{strandId:"BlFTjlSXze9BIh1KOszcE3",sequenceNo:49}</code>.
aws-java-sdk-qldb/src/main/java/com/amazonaws/services/qldb/model/GetBlockRequest.java