<type name="PayPal\Braintree\Block\Paypal\Button">
    <arguments>
        <argument name="data" xsi:type="array">
            <item name="template" xsi:type="string">
                PayPal_Braintree::paypal/button.phtml
            </item>
            <item name="alias" xsi:type="string">
                braintree.paypal.mini-cart
            </item>
            <item name="button_id" xsi:type="string">
                braintree-paypal-mini-cart
            </item>
        </argument>
        <argument name="payment" xsi:type="object">
            BraintreePayPalFacade
        </argument>
    </arguments>
</type>

This is a type configuration.

This configuration is for the frontend area. This is the area that corresponds with the cart sub-application.

This configuration tells the Object Manager that when a user wants a PayPal\Braintree\Block\Paypal\Button object that the following arguments should be used in the foo object's constructor.

• $data = [...items...];
• $payment = new BraintreePayPalFacade (...)

<virtualType name="BraintreePayPalFacade" type="BraintreeFacade">
    <arguments>
        <argument name="code" xsi:type="const">
            PayPal\Braintree\Model\Ui\PayPal\ConfigProvider::PAYPAL_CODE
        </argument>
        <argument name="infoBlockType" xsi:type="string">
            BraintreePayPalInfo
        </argument>
        <argument name="valueHandlerPool" xsi:type="object">
            BraintreePayPalValueHandlerPool
        </argument>
        <argument name="validatorPool" xsi:type="object">
            BraintreePayPalValidatorPool
        </argument>
        <argument name="commandPool" xsi:type="object">
            BraintreePayPalCommandPool
        </argument>
    </arguments>
</virtualType>

This is a virtual type configuration.

This configuration is for the base area. Base area configurations will apply to all the sub-applications.

This virtualType configuration tells the Object Manager when a user wants a virtual BraintreePayPalFacade object that it should return a BraintreeFacade object.

This configuration tells the Object Manager that when a user wants a BraintreePayPalFacade object that the following arguments should be used in the foo object's constructor.

• $code = PayPal\Braintree\Model\Ui\PayPal\ConfigProvider::PAYPAL_CODE;
• $infoBlockType = "BraintreePayPalInfo";
• $valueHandlerPool = new BraintreePayPalValueHandlerPool (...)
• $validatorPool = new BraintreePayPalValidatorPool (...)
• $commandPool = new BraintreePayPalCommandPool (...)

<virtualType name="BraintreePayPalCreditFacade"
             type="BraintreePayPalFacade">
    <arguments>
        <argument name="code" xsi:type="const">
            PayPal\Braintree\Model\Ui\PayPal\ConfigProvider::PAYPAL_CREDIT_CODE
        </argument>
    </arguments>
</virtualType>

This is a virtual type configuration.

This configuration is for the base area. Base area configurations will apply to all the sub-applications.

This virtualType configuration tells the Object Manager when a user wants a virtual BraintreePayPalCreditFacade object that it should return a BraintreePayPalFacade object.

This configuration tells the Object Manager that when a user wants a BraintreePayPalCreditFacade object that the following arguments should be used in the foo object's constructor.

• $code = PayPal\Braintree\Model\Ui\PayPal\ConfigProvider::PAYPAL_CREDIT_CODE;

<virtualType name="BraintreePayPalVaultFacade"
             type="Magento\Vault\Model\Method\Vault">
    <arguments>
        <argument name="config" xsi:type="object">
            BraintreePayPalVaultPaymentConfig
        </argument>
        <argument name="valueHandlerPool" xsi:type="object">
            BraintreePayPalVaultPaymentValueHandlerPool
        </argument>
        <argument name="vaultProvider" xsi:type="object">
            BraintreePayPalFacade
        </argument>
        <argument name="code" xsi:type="const">
            PayPal\Braintree\Model\Ui\PayPal\ConfigProvider::PAYPAL_VAULT_CODE
        </argument>
    </arguments>
</virtualType>

This is a virtual type configuration.

This configuration is for the base area. Base area configurations will apply to all the sub-applications.

This virtualType configuration tells the Object Manager when a user wants a virtual BraintreePayPalVaultFacade object that it should return a Magento\Vault\Model\Method\Vault object.

This configuration tells the Object Manager that when a user wants a BraintreePayPalVaultFacade object that the following arguments should be used in the foo object's constructor.

• $config = new BraintreePayPalVaultPaymentConfig (...)
• $valueHandlerPool = new BraintreePayPalVaultPaymentValueHandlerPool (...)
• $vaultProvider = new BraintreePayPalFacade (...)
• $code = PayPal\Braintree\Model\Ui\PayPal\ConfigProvider::PAYPAL_VAULT_CODE;