public ExpenseField withGroupProperties(ExpenseGroupProperty... groupProperties) {
        if (this.groupProperties == null) {
            setGroupProperties(new java.util.ArrayList<ExpenseGroupProperty>(groupProperties.length));
        }
        for (ExpenseGroupProperty ele : groupProperties) {
            this.groupProperties.add(ele);
        }
        return this;
    }
<p>
Shows which group a response object belongs to, such as whether an address line belongs to the vendor's address
or the recipent's address.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setGroupProperties(java.util.Collection)} or {@link #withGroupProperties(java.util.Collection)} if you
want to override the existing values.
</p>

@param groupProperties
       Shows which group a response object belongs to, such as whether an address line belongs to the vendor's
       address or the recipent's address.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-textract/src/main/java/com/amazonaws/services/textract/model/ExpenseField.java