Update generated code for v1518

OPENAPI_VERSION

@@ -1 +1 @@
-v1517
+v1518

src/main/java/com/stripe/model/issuing/Settlement.java

@@ -43,8 +43,8 @@ public class Settlement extends StripeObject implements HasId {
   String id;
 
   /** The total interchange received as reimbursement for the transactions. */
-  @SerializedName("interchange_fees")
-  Long interchangeFees;
+  @SerializedName("interchange_fees_amount")
+  Long interchangeFeesAmount;
 
   /**
    * Has the value {@code true} if the object exists in live mode or the value {@code false} if the
@@ -62,16 +62,16 @@ public class Settlement extends StripeObject implements HasId {
   Map<String, String> metadata;
 
   /** The total net amount required to settle with the network. */
-  @SerializedName("net_total")
-  Long netTotal;
+  @SerializedName("net_total_amount")
+  Long netTotalAmount;
 
   /** The card network for this settlement report. One of [&quot;visa&quot;, &quot;maestro&quot;] */
   @SerializedName("network")
   String network;
 
   /** The total amount of fees owed to the network. */
-  @SerializedName("network_fees")
-  Long networkFees;
+  @SerializedName("network_fees_amount")
+  Long networkFeesAmount;
 
   /** The Settlement Identification Number assigned by the network. */
   @SerializedName("network_settlement_identifier")
@@ -105,11 +105,11 @@ public class Settlement extends StripeObject implements HasId {
   @SerializedName("status")
   String status;
 
+  /** The total transaction amount reflected in this settlement. */
+  @SerializedName("transaction_amount")
+  Long transactionAmount;
+
   /** The total number of transactions reflected in this settlement. */
   @SerializedName("transaction_count")
   Long transactionCount;
-
-  /** The total transaction amount reflected in this settlement. */
-  @SerializedName("transaction_volume")
-  Long transactionVolume;
 }

src/main/java/com/stripe/param/checkout/SessionCreateParams.java

@@ -328,7 +328,8 @@ public class SessionCreateParams extends ApiRequestParams {
   /**
    * Describes the type of transaction being performed by Checkout in order to customize relevant
    * text on the page, such as the submit button. {@code submit_type} can only be specified on
-   * Checkout Sessions in {@code payment} mode. If blank or {@code auto}, {@code pay} is used.
+   * Checkout Sessions in {@code payment} or {@code subscription} mode. If blank or {@code auto},
+   * {@code pay} is used.
    */
   @SerializedName("submit_type")
   SubmitType submitType;
@@ -1104,7 +1105,8 @@ public Builder addAllShippingOption(List<SessionCreateParams.ShippingOption> ele
     /**
      * Describes the type of transaction being performed by Checkout in order to customize relevant
      * text on the page, such as the submit button. {@code submit_type} can only be specified on
-     * Checkout Sessions in {@code payment} mode. If blank or {@code auto}, {@code pay} is used.
+     * Checkout Sessions in {@code payment} or {@code subscription} mode. If blank or {@code auto},
+     * {@code pay} is used.
      */
     public Builder setSubmitType(SessionCreateParams.SubmitType submitType) {
       this.submitType = submitType;