@SuppressWarnings("unchecked")
    public T streetAddress(String streetAddress) {
        if (TextUtils.isEmpty(streetAddress)) {
            mStreetAddress = null;
        } else {
            mStreetAddress = streetAddress;
        }
        return (T) this;
    }
@ SuppressWarnings ( "unchecked" ) public T streetAddress ( String streetAddress ) { if ( TextUtils . isEmpty ( streetAddress ) ) { mStreetAddress = null ; } else { mStreetAddress = streetAddress ; } return ( T ) this ; }
@param streetAddress Street address of the card.
@return {@link com.braintreepayments.api.models.BaseCardBuilder}