Feat: add BillingDetailsCollectionConfiguration to paymentsheet. This…

… can be used to collect email,phone,name or address in Paymentsheet

packages/stripe_platform_interface/lib/src/models/payment_sheet.dart

@@ -77,6 +77,10 @@ class SetupPaymentSheetParameters with _$SetupPaymentSheetParameters {
 
     /// Return URL is required for IDEAL and few other payment methods
     String? returnURL,
+
+    /// Configuration for how billing details are collected during checkout.
+    BillingDetailsCollectionConfiguration?
+        billingDetailsCollectionConfiguration,
   }) = _SetupParameters;
 
   factory SetupPaymentSheetParameters.fromJson(Map<String, dynamic> json) =>
@@ -374,6 +378,7 @@ class PresentPaymentSheetParameters with _$PresentPaymentSheetParameters {
 
 @freezed
 class PaymentSheetPresentOptions with _$PaymentSheetPresentOptions {
+  @JsonSerializable(explicitToJson: true)
   const factory PaymentSheetPresentOptions({
     /// The number of milliseconds (after presenting) before the Payment Sheet
     /// closes automatically.
@@ -385,3 +390,67 @@ class PaymentSheetPresentOptions with _$PaymentSheetPresentOptions {
   factory PaymentSheetPresentOptions.fromJson(Map<String, dynamic> json) =>
       _$PaymentSheetPresentOptionsFromJson(json);
 }
+
+@freezed
+class BillingDetailsCollectionConfiguration
+    with _$BillingDetailsCollectionConfiguration {
+  @JsonSerializable(explicitToJson: true)
+  const factory BillingDetailsCollectionConfiguration({
+    /// How to collect the name field.
+    ///
+    /// Defaults to `CollectionMode.automatic`.
+    CollectionMode? name,
+
+    /// How to collect the phone field.
+    ///
+    /// Defaults to `CollectionMode.automatic`.
+    CollectionMode? phone,
+
+    /// How to collect the email field.
+    ///
+    /// Defaults to `CollectionMode.automatic`.
+    CollectionMode? email,
+
+    /// How to collect the billing address.
+    ///
+    /// Defaults to `CollectionMode.automatic`.
+    AddressCollectionMode? address,
+
+    /// Whether the values included in `Configuration.defaultBillingDetails` should be attached to the payment method, this includes fields that aren't displayed in the form.
+    ///
+    /// If `false` (the default), those values will only be used to prefill the corresponding fields in the form.
+    bool? attachDefaultsToPaymentMethod,
+  }) = _BillingDetailsCollectionConfiguration;
+
+  factory BillingDetailsCollectionConfiguration.fromJson(
+          Map<String, dynamic> json) =>
+      _$BillingDetailsCollectionConfigurationFromJson(json);
+}
+
+/// Types of how to collect non address fields
+enum CollectionMode {
+  /// The field may or may not be collected depending on the Payment Method's requirements.
+  automatic,
+
+  /// The field will never be collected.
+  ///
+  /// If this field is required by the Payment Method, you must provide it as part of `defaultBillingDetails`.
+  never,
+
+  /// The field will always be collected, even if it isn't required for the Payment Method.
+  always,
+}
+
+/// Types of how to collect the address.
+enum AddressCollectionMode {
+  /// Only the fields required by the Payment Method will be collected, which may be none.
+  automatic,
+
+  /// Billing address will never be collected.
+  ///
+  /// If the Payment Method requires a billing address, you must provide it as part of `defaultBillingDetails`.
+  never,
+
+  /// Collect the full billing address, regardless of the Payment Method's requirements. */
+  full,
+}