amountDisplayString = $amountDisplayString; } public function getAmountDisplayString() { return $this->amountDisplayString; } public function setAmountMicros($amountMicros) { $this->amountMicros = $amountMicros; } public function getAmountMicros() { return $this->amountMicros; } public function setCurrency($currency) { $this->currency = $currency; } public function getCurrency() { return $this->currency; } public function setTier($tier) { $this->tier = $tier; } public function getTier() { return $this->tier; } public function setUserComment($userComment) { $this->userComment = $userComment; } public function getUserComment() { return $this->userComment; } }