public void setGroupProperties(java.util.Collection<ExpenseGroupProperty> groupProperties) {
        if (groupProperties == null) {
            this.groupProperties = null;
            return;
        }

        this.groupProperties = new java.util.ArrayList<ExpenseGroupProperty>(groupProperties);
    }
<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>

@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.
aws-java-sdk-textract/src/main/java/com/amazonaws/services/textract/model/ExpenseField.java