public VerificationDetails withTaxRegistrationDocuments(TaxRegistrationDocument... taxRegistrationDocuments) {
        if (this.taxRegistrationDocuments == null) {
            setTaxRegistrationDocuments(new java.util.ArrayList<TaxRegistrationDocument>(taxRegistrationDocuments.length));
        }
        for (TaxRegistrationDocument ele : taxRegistrationDocuments) {
            this.taxRegistrationDocuments.add(ele);
        }
        return this;
    }
<p>
The tax registration document, which is required for specific countries such as Bangladesh, Kenya, South Korea
and Spain.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setTaxRegistrationDocuments(java.util.Collection)} or
{@link #withTaxRegistrationDocuments(java.util.Collection)} if you want to override the existing values.
</p>

@param taxRegistrationDocuments
       The tax registration document, which is required for specific countries such as Bangladesh, Kenya, South
       Korea and Spain.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-taxsettings/src/main/java/com/amazonaws/services/taxsettings/model/VerificationDetails.java