public ExportKeyMaterial withTr34KeyBlock(ExportTr34KeyBlock tr34KeyBlock) {
        setTr34KeyBlock(tr34KeyBlock);
        return this;
    }
<p>
Parameter information for key material export using the asymmetric TR-34 key exchange method.
</p>

@param tr34KeyBlock
       Parameter information for key material export using the asymmetric TR-34 key exchange method.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-paymentcryptography/src/main/java/com/amazonaws/services/paymentcryptography/model/ExportKeyMaterial.java