+/// Set this feature as optional.
+#[no_mangle]
+pub extern "C" fn InvoiceFeatures_set_payment_metadata_optional(this_arg: &mut crate::lightning::ln::features::InvoiceFeatures) {
+ unsafe { &mut (*ObjOps::untweak_ptr(this_arg.inner as *mut crate::lightning::ln::features::nativeInvoiceFeatures)) }.set_payment_metadata_optional()
+}
+
+/// Set this feature as required.
+#[no_mangle]
+pub extern "C" fn InvoiceFeatures_set_payment_metadata_required(this_arg: &mut crate::lightning::ln::features::InvoiceFeatures) {
+ unsafe { &mut (*ObjOps::untweak_ptr(this_arg.inner as *mut crate::lightning::ln::features::nativeInvoiceFeatures)) }.set_payment_metadata_required()
+}
+
+/// Checks if this feature is supported.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn InvoiceFeatures_supports_payment_metadata(this_arg: &crate::lightning::ln::features::InvoiceFeatures) -> bool {
+ let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.supports_payment_metadata();
+ ret
+}
+
+/// Checks if this feature is required.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn InvoiceFeatures_requires_payment_metadata(this_arg: &crate::lightning::ln::features::InvoiceFeatures) -> bool {
+ let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.requires_payment_metadata();
+ ret
+}
+