resolveMigrationManagerHandle method
Returns the iOS-side handle ID for the migration manager scoped to the
currently-identified user and the optional stripeCustomerId. The
returned ID is opaque; pass it to MigrationManager.fromHandleId.
Implementation
Future<String> resolveMigrationManagerHandle({String? stripeCustomerId}) {
throw UnimplementedError(
'resolveMigrationManagerHandle() has not been implemented.',
);
}