@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getOwnerIdentifier() != null)
            sb.append("OwnerIdentifier: ").append(getOwnerIdentifier()).append(",");
        if (getTokenIdentifier() != null)
            sb.append("TokenIdentifier: ").append(getTokenIdentifier()).append(",");
        if (getBalance() != null)
            sb.append("Balance: ").append(getBalance()).append(",");
        if (getAtBlockchainInstant() != null)
            sb.append("AtBlockchainInstant: ").append(getAtBlockchainInstant()).append(",");
        if (getLastUpdatedTime() != null)
            sb.append("LastUpdatedTime: ").append(getLastUpdatedTime());
        sb.append("}");
        return sb.toString();
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-managedblockchainquery/src/main/java/com/amazonaws/services/managedblockchainquery/model/TokenBalance.java