public ContractFilter withTokenStandard(QueryTokenStandard tokenStandard) {
        this.tokenStandard = tokenStandard.toString();
        return this;
    }
<p>
The container for the token standard.
</p>

@param tokenStandard
       The container for the token standard.
@return Returns a reference to this object so that method calls can be chained together.
@see QueryTokenStandard
aws-java-sdk-managedblockchainquery/src/main/java/com/amazonaws/services/managedblockchainquery/model/ContractFilter.java