diff --git a/CHANGELOG.md b/CHANGELOG.md
index 32c9b61cab..e6d6a0de8f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## 2.7.0
+
+* Please refer to https://fzyzcjy.github.io/flutter_rust_bridge/guides/miscellaneous/whats-new for what's changed in V2.
+* Remove default case in enums #2439 (thanks @Tienisto)
+* Switch from dart-sys-fork to dart-sys #2438 (thanks @evdokimovs)
+* Fix call build-web with fvm support #2429 (thanks @SirKrlos)
+* Replaced WASM header exception with warning #2423 (thanks @CJBuchel)
+* Fix Option Box compilation error in DCO codec #2398
+* Fix call toolchain version with fvm support #2395 (thanks @SirKrlos)
+* Doc update and linting: #2423 (thanks @CJBuchel), #2422, #2421, #2349 (thanks @ernstvanderlinden), #2394
+
 ## 2.6.0
 
 * Please refer to https://fzyzcjy.github.io/flutter_rust_bridge/guides/miscellaneous/whats-new for what's changed in V2.
diff --git a/Cargo.toml b/Cargo.toml
index 7b1e858902..da76d3f11c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ resolver = "2"
 version = "2.6.0"
 edition = "2021"
 license = "MIT"
-description = "High-level memory-safe binding generator for Flutter/Dart <-> Rust"
+description = "Flutter/Dart <-> Rust binding generator, feature-rich, but seamless and simple"
 repository = "https://github.com/fzyzcjy/flutter_rust_bridge"
 keywords = ["flutter", "dart", "ffi", "code-generation", "bindings"]
 categories = ["development-tools::ffi"]
diff --git a/frb_codegen/src/library/build_web/mod.rs b/frb_codegen/src/library/build_web/mod.rs
index 57abf20d6b..045589f912 100644
--- a/frb_codegen/src/library/build_web/mod.rs
+++ b/frb_codegen/src/library/build_web/mod.rs
@@ -2,6 +2,7 @@
 
 use crate::command_run;
 use crate::library::commands::command_runner::{call_shell, call_shell_info, check_exit_code};
+use crate::library::commands::fvm::command_arg_maybe_fvm;
 use crate::utils::dart_repository::dart_repo::DartRepository;
 use crate::utils::path_utils::{find_dart_package_dir, path_to_string};
 use anyhow::{bail, Context};
@@ -71,7 +72,11 @@ fn dart_run(
     args: Vec<String>,
 ) -> anyhow::Result<ExitStatus> {
     let handle = {
-        let mut cmd_args: Vec<PathBuf> = vec!["dart".into()];
+        let mut cmd_args: Vec<PathBuf> = if command_arg_maybe_fvm(None).is_some() {
+            vec!["fvm".into(), "dart".into()]
+        } else {
+            vec!["dart".into()]
+        };
         cmd_args.extend(repo.command_extra_args().into_iter().map_into());
         cmd_args.push("run".into());
         if dart_coverage {
diff --git a/frb_codegen/src/library/codegen/generator/codec/sse/ty/enumeration.rs b/frb_codegen/src/library/codegen/generator/codec/sse/ty/enumeration.rs
index 3b57fbd055..e86f2710a3 100644
--- a/frb_codegen/src/library/codegen/generator/codec/sse/ty/enumeration.rs
+++ b/frb_codegen/src/library/codegen/generator/codec/sse/ty/enumeration.rs
@@ -114,7 +114,7 @@ pub(crate) fn generate_enum_encode_rust_general(
     lang.switch_expr(
         self_ref,
         &variants,
-        Some(format!("{};", lang.throw_unimplemented(""))),
+        matches!(lang, Lang::RustLang(_)).then(|| format!("{};", lang.throw_unimplemented(""))),
     )
 }
 
diff --git a/frb_codegen/src/library/utils/logs.rs b/frb_codegen/src/library/utils/logs.rs
index c96d41e1d9..647052c60a 100644
--- a/frb_codegen/src/library/utils/logs.rs
+++ b/frb_codegen/src/library/utils/logs.rs
@@ -39,9 +39,7 @@ pub fn configure_opinionated_logging(path: &str, verbose: bool) -> Result<(), fe
             .level(LevelFilter::Info)
             .level_for("cbindgen", LevelFilter::Error)
             .chain(std::io::stdout()),
-        // frb-coverage:ignore-start
-        _ => panic!("only allow \"debug\" or \"info\""),
-        // frb-coverage:ignore-end
+        _ => fern_logger.level(level_filter).chain(std::io::stdout()),
     };
 
     let (max_level, fern_logger) = fern_logger.into_log();
diff --git a/frb_dart/pubspec.yaml b/frb_dart/pubspec.yaml
index 321c64d3e7..a38153ceb8 100644
--- a/frb_dart/pubspec.yaml
+++ b/frb_dart/pubspec.yaml
@@ -1,5 +1,5 @@
 name: flutter_rust_bridge
-description: High-level memory-safe binding generator for Flutter/Dart <-> Rust
+description: Flutter/Dart <-> Rust binding generator, feature-rich, but seamless and simple
 version: 2.6.0
 repository: https://github.com/fzyzcjy/flutter_rust_bridge
 environment:
diff --git a/frb_example/integrate_third_party/lib/src/rust/frb_generated.dart b/frb_example/integrate_third_party/lib/src/rust/frb_generated.dart
index 1057c4233f..81890e1c2b 100644
--- a/frb_example/integrate_third_party/lib/src/rust/frb_generated.dart
+++ b/frb_example/integrate_third_party/lib/src/rust/frb_generated.dart
@@ -26491,8 +26491,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case AudioContextLatencyCategory_Custom(field0: final field0):
         sse_encode_i_32(3, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -26618,8 +26616,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(22, serializer);
         sse_encode_AutoExplicit_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerWaveShaperNode(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -26849,8 +26845,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(31, serializer);
         sse_encode_AutoExplicit_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerStereoPannerNode(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -26867,8 +26861,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(0, serializer);
         sse_encode_AutoExplicit_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerMediaStreamAudioDestinationNode(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
diff --git a/frb_example/pure_dart/lib/src/rust/frb_generated.dart b/frb_example/pure_dart/lib/src/rust/frb_generated.dart
index fa64ff3f2b..7d4432078b 100644
--- a/frb_example/pure_dart/lib/src/rust/frb_generated.dart
+++ b/frb_example/pure_dart/lib/src/rust/frb_generated.dart
@@ -152474,8 +152474,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case AbcTwinNormal_JustInt(field0: final field0):
         sse_encode_i_32(3, serializer);
         sse_encode_i_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -152496,8 +152494,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case AbcTwinRustAsync_JustInt(field0: final field0):
         sse_encode_i_32(3, serializer);
         sse_encode_i_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -152518,8 +152514,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case AbcTwinRustAsyncSse_JustInt(field0: final field0):
         sse_encode_i_32(3, serializer);
         sse_encode_i_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -152539,8 +152533,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case AbcTwinSse_JustInt(field0: final field0):
         sse_encode_i_32(3, serializer);
         sse_encode_i_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -152560,8 +152552,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case AbcTwinSync_JustInt(field0: final field0):
         sse_encode_i_32(3, serializer);
         sse_encode_i_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -152582,8 +152572,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case AbcTwinSyncSse_JustInt(field0: final field0):
         sse_encode_i_32(3, serializer);
         sse_encode_i_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -152666,8 +152654,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(y, serializer);
       case ApplicationMessage_Exit():
         sse_encode_i_32(2, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -152763,8 +152749,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_AutoExplicit_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerMyNodeTwinNormal(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -152816,8 +152800,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_String(field, serializer);
       case BasicGeneralEnumTwinNormal_Orange():
         sse_encode_i_32(1, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -152831,8 +152813,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_String(field, serializer);
       case BasicGeneralEnumTwinRustAsync_Orange():
         sse_encode_i_32(1, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -152846,8 +152826,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_String(field, serializer);
       case BasicGeneralEnumTwinRustAsyncSse_Orange():
         sse_encode_i_32(1, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -152861,8 +152839,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_String(field, serializer);
       case BasicGeneralEnumTwinSse_Orange():
         sse_encode_i_32(1, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -152876,8 +152852,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_String(field, serializer);
       case BasicGeneralEnumTwinSync_Orange():
         sse_encode_i_32(1, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -152891,8 +152865,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_String(field, serializer);
       case BasicGeneralEnumTwinSyncSse_Orange():
         sse_encode_i_32(1, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157070,8 +157042,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(message, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157094,8 +157064,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(message, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157118,8 +157086,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(message, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157142,8 +157108,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(message, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157166,8 +157130,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(message, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157190,8 +157152,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(message, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157208,8 +157168,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(e, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157232,8 +157190,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(e, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157256,8 +157212,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(e, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157274,8 +157228,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(e, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157292,8 +157244,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(e, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157316,8 +157266,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(e, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157333,8 +157281,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_2_twin_normal(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157350,8 +157296,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_2_twin_rust_async(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157369,8 +157313,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_2_twin_rust_async_sse(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157386,8 +157328,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_2_twin_sse(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157403,8 +157343,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_2_twin_sync(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157420,8 +157358,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_2_twin_sync_sse(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157438,8 +157374,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         ):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157456,8 +157390,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         ):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157476,8 +157408,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         ):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157492,8 +157422,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case CustomNestedError2TwinSse_CustomNested2Number(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157508,8 +157436,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case CustomNestedError2TwinSync_CustomNested2Number(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157526,8 +157452,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         ):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157542,8 +157466,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case CustomNestedErrorInnerTwinNormal_Four(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157558,8 +157480,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case CustomNestedErrorInnerTwinRustAsync_Four(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157574,8 +157494,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case CustomNestedErrorInnerTwinRustAsyncSse_Four(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157590,8 +157508,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case CustomNestedErrorInnerTwinSse_Four(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157606,8 +157522,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case CustomNestedErrorInnerTwinSync_Four(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157622,8 +157536,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case CustomNestedErrorInnerTwinSyncSse_Four(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157639,8 +157551,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_inner_twin_normal(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157656,8 +157566,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_inner_twin_rust_async(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157673,8 +157581,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_inner_twin_rust_async_sse(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157690,8 +157596,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_inner_twin_sse(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157707,8 +157611,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_inner_twin_sync(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157724,8 +157626,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_inner_twin_sync_sse(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -157997,8 +157897,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case DistanceTwinNormal_Map(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158012,8 +157910,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case DistanceTwinRustAsync_Map(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158027,8 +157923,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case DistanceTwinRustAsyncSse_Map(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158042,8 +157936,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case DistanceTwinSse_Map(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158057,8 +157949,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case DistanceTwinSync_Map(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158072,8 +157962,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case DistanceTwinSyncSse_Map(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158184,8 +158072,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumDartOpaqueTwinNormal_Opaque(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_DartOpaque(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158200,8 +158086,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumDartOpaqueTwinRustAsync_Opaque(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_DartOpaque(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158216,8 +158100,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumDartOpaqueTwinRustAsyncSse_Opaque(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_DartOpaque(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158232,8 +158114,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumDartOpaqueTwinSse_Opaque(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_DartOpaque(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158248,8 +158128,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumDartOpaqueTwinSync_Opaque(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_DartOpaque(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158264,8 +158142,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumDartOpaqueTwinSyncSse_Opaque(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_DartOpaque(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158291,8 +158167,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_RustOpaque_RwLockHideDataTwinMoi(field0, serializer);
       case EnumOpaqueTwinMoi_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158325,8 +158199,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_RustOpaque_RwLockHideDataTwinNormal(field0, serializer);
       case EnumOpaqueTwinNormal_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158359,8 +158231,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_RustOpaque_RwLockHideDataTwinRustAsync(field0, serializer);
       case EnumOpaqueTwinRustAsync_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158395,8 +158265,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
             field0, serializer);
       case EnumOpaqueTwinRustAsyncMoi_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158431,8 +158299,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
             field0, serializer);
       case EnumOpaqueTwinRustAsyncSse_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158468,8 +158334,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
             field0, serializer);
       case EnumOpaqueTwinRustAsyncSseMoi_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158502,8 +158366,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_RustOpaque_RwLockHideDataTwinSse(field0, serializer);
       case EnumOpaqueTwinSse_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158536,8 +158398,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_RustOpaque_RwLockHideDataTwinSseMoi(field0, serializer);
       case EnumOpaqueTwinSseMoi_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158570,8 +158430,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_RustOpaque_RwLockHideDataTwinSync(field0, serializer);
       case EnumOpaqueTwinSync_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158604,8 +158462,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_RustOpaque_RwLockHideDataTwinSyncMoi(field0, serializer);
       case EnumOpaqueTwinSyncMoi_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158638,8 +158494,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_RustOpaque_RwLockHideDataTwinSyncSse(field0, serializer);
       case EnumOpaqueTwinSyncSse_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158672,8 +158526,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_RustOpaque_RwLockHideDataTwinSyncSseMoi(field0, serializer);
       case EnumOpaqueTwinSyncSseMoi_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158780,8 +158632,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinMoi(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158797,8 +158647,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinNormal(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158814,8 +158662,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinRustAsync(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158831,8 +158677,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinRustAsyncMoi(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158848,8 +158692,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinRustAsyncSse(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158867,8 +158709,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinRustAsyncSseMoi(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158884,8 +158724,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinSse(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158901,8 +158739,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinSseMoi(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158918,8 +158754,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinSync(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158935,8 +158769,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinSyncMoi(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158952,8 +158784,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinSyncSse(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158969,8 +158799,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinSyncSseMoi(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -158987,8 +158815,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemMixedTwinNormal_C(cField: final cField):
         sse_encode_i_32(2, serializer);
         sse_encode_String(cField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159005,8 +158831,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemMixedTwinRustAsync_C(cField: final cField):
         sse_encode_i_32(2, serializer);
         sse_encode_String(cField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159023,8 +158847,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemMixedTwinRustAsyncSse_C(cField: final cField):
         sse_encode_i_32(2, serializer);
         sse_encode_String(cField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159041,8 +158863,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemMixedTwinSse_C(cField: final cField):
         sse_encode_i_32(2, serializer);
         sse_encode_String(cField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159059,8 +158879,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemMixedTwinSync_C(cField: final cField):
         sse_encode_i_32(2, serializer);
         sse_encode_String(cField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159077,8 +158895,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemMixedTwinSyncSse_C(cField: final cField):
         sse_encode_i_32(2, serializer);
         sse_encode_String(cField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159093,8 +158909,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemStructTwinNormal_B(bField: final bField):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(bField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159109,8 +158923,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemStructTwinRustAsync_B(bField: final bField):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(bField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159125,8 +158937,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemStructTwinRustAsyncSse_B(bField: final bField):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(bField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159141,8 +158951,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemStructTwinSse_B(bField: final bField):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(bField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159157,8 +158965,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemStructTwinSync_B(bField: final bField):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(bField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159173,8 +158979,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemStructTwinSyncSse_B(bField: final bField):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(bField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159189,8 +158993,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemTupleTwinNormal_B(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159205,8 +159007,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemTupleTwinRustAsync_B(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159221,8 +159021,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemTupleTwinRustAsyncSse_B(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159237,8 +159035,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemTupleTwinSse_B(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159253,8 +159049,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemTupleTwinSync_B(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159269,8 +159063,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemTupleTwinSyncSse_B(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159693,8 +159485,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case KitchenSinkTwinNormal_Enums(field0: final field0):
         sse_encode_i_32(5, serializer);
         sse_encode_weekdays_twin_normal(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159734,8 +159524,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case KitchenSinkTwinRustAsync_Enums(field0: final field0):
         sse_encode_i_32(5, serializer);
         sse_encode_weekdays_twin_rust_async(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159775,8 +159563,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case KitchenSinkTwinRustAsyncSse_Enums(field0: final field0):
         sse_encode_i_32(5, serializer);
         sse_encode_weekdays_twin_rust_async_sse(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159816,8 +159602,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case KitchenSinkTwinSse_Enums(field0: final field0):
         sse_encode_i_32(5, serializer);
         sse_encode_weekdays_twin_sse(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159857,8 +159641,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case KitchenSinkTwinSync_Enums(field0: final field0):
         sse_encode_i_32(5, serializer);
         sse_encode_weekdays_twin_sync(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -159898,8 +159680,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case KitchenSinkTwinSyncSse_Enums(field0: final field0):
         sse_encode_i_32(5, serializer);
         sse_encode_weekdays_twin_sync_sse(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -162095,8 +161875,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case MeasureTwinNormal_Distance(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_box_distance_twin_normal(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -162111,8 +161889,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case MeasureTwinRustAsync_Distance(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_box_distance_twin_rust_async(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -162127,8 +161903,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case MeasureTwinRustAsyncSse_Distance(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_box_distance_twin_rust_async_sse(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -162143,8 +161917,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case MeasureTwinSse_Distance(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_box_distance_twin_sse(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -162159,8 +161931,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case MeasureTwinSync_Distance(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_box_distance_twin_sync(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -162175,8 +161945,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case MeasureTwinSyncSse_Distance(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_box_distance_twin_sync_sse(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -164597,8 +164365,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(2, serializer);
         sse_encode_box_autoadd_list_of_nested_raw_string_mirrored(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -165236,8 +165002,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SimpleEnumTwinNormal_Second(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_String(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -165251,8 +165015,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SimpleEnumTwinRustAsync_Second(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_String(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -165266,8 +165028,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SimpleEnumTwinRustAsyncSse_Second(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_String(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -165281,8 +165041,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SimpleEnumTwinSse_Second(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_String(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -165296,8 +165054,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SimpleEnumTwinSync_Second(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_String(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -165311,8 +165067,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SimpleEnumTwinSyncSse_Second(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_String(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -165459,8 +165213,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_AutoExplicit_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerStructTwoWithTraitForDynTwinNormal(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -165524,8 +165276,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SpeedTwinNormal_GPS(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -165539,8 +165289,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SpeedTwinRustAsync_GPS(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -165554,8 +165302,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SpeedTwinRustAsyncSse_GPS(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -165568,8 +165314,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SpeedTwinSse_GPS(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -165583,8 +165327,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SpeedTwinSync_GPS(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -165598,8 +165340,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SpeedTwinSyncSse_GPS(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
diff --git a/frb_example/pure_dart_pde/lib/src/rust/frb_generated.dart b/frb_example/pure_dart_pde/lib/src/rust/frb_generated.dart
index 17ff863bb6..55e536e17d 100644
--- a/frb_example/pure_dart_pde/lib/src/rust/frb_generated.dart
+++ b/frb_example/pure_dart_pde/lib/src/rust/frb_generated.dart
@@ -68412,8 +68412,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case AbcTwinNormal_JustInt(field0: final field0):
         sse_encode_i_32(3, serializer);
         sse_encode_i_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -68434,8 +68432,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case AbcTwinRustAsync_JustInt(field0: final field0):
         sse_encode_i_32(3, serializer);
         sse_encode_i_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -68455,8 +68451,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case AbcTwinSync_JustInt(field0: final field0):
         sse_encode_i_32(3, serializer);
         sse_encode_i_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -68518,8 +68512,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(y, serializer);
       case ApplicationMessage_Exit():
         sse_encode_i_32(2, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -68591,8 +68583,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_AutoExplicit_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerMyNodeTwinNormal(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -68625,8 +68615,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_String(field, serializer);
       case BasicGeneralEnumTwinNormal_Orange():
         sse_encode_i_32(1, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -68640,8 +68628,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_String(field, serializer);
       case BasicGeneralEnumTwinRustAsync_Orange():
         sse_encode_i_32(1, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -68655,8 +68641,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_String(field, serializer);
       case BasicGeneralEnumTwinSync_Orange():
         sse_encode_i_32(1, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -70766,8 +70750,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(message, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -70790,8 +70772,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(message, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -70814,8 +70794,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(message, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -70832,8 +70810,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(e, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -70856,8 +70832,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(e, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -70874,8 +70848,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(e, serializer);
         sse_encode_Backtrace(backtrace, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -70891,8 +70863,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_2_twin_normal(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -70908,8 +70878,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_2_twin_rust_async(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -70925,8 +70893,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_2_twin_sync(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -70943,8 +70909,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         ):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -70961,8 +70925,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         ):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -70977,8 +70939,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case CustomNestedError2TwinSync_CustomNested2Number(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -70993,8 +70953,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case CustomNestedErrorInnerTwinNormal_Four(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71009,8 +70967,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case CustomNestedErrorInnerTwinRustAsync_Four(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71025,8 +70981,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case CustomNestedErrorInnerTwinSync_Four(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_u_32(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71042,8 +70996,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_inner_twin_normal(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71059,8 +71011,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_inner_twin_rust_async(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71076,8 +71026,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_box_autoadd_custom_nested_error_inner_twin_sync(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71216,8 +71164,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case DistanceTwinNormal_Map(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71231,8 +71177,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case DistanceTwinRustAsync_Map(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71246,8 +71190,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case DistanceTwinSync_Map(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71310,8 +71252,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumDartOpaqueTwinNormal_Opaque(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_DartOpaque(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71326,8 +71266,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumDartOpaqueTwinRustAsync_Opaque(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_DartOpaque(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71342,8 +71280,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumDartOpaqueTwinSync_Opaque(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_DartOpaque(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71369,8 +71305,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_RustOpaque_RwLockHideDataTwinNormal(field0, serializer);
       case EnumOpaqueTwinNormal_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71403,8 +71337,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_RustOpaque_RwLockHideDataTwinRustAsync(field0, serializer);
       case EnumOpaqueTwinRustAsync_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71437,8 +71369,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_RustOpaque_RwLockHideDataTwinSync(field0, serializer);
       case EnumOpaqueTwinSync_Nothing():
         sse_encode_i_32(5, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71503,8 +71433,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinNormal(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71520,8 +71448,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinRustAsync(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71537,8 +71463,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNonCloneSimpleTwinSync(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71555,8 +71479,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemMixedTwinNormal_C(cField: final cField):
         sse_encode_i_32(2, serializer);
         sse_encode_String(cField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71573,8 +71495,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemMixedTwinRustAsync_C(cField: final cField):
         sse_encode_i_32(2, serializer);
         sse_encode_String(cField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71591,8 +71511,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemMixedTwinSync_C(cField: final cField):
         sse_encode_i_32(2, serializer);
         sse_encode_String(cField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71607,8 +71525,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemStructTwinNormal_B(bField: final bField):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(bField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71623,8 +71539,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemStructTwinRustAsync_B(bField: final bField):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(bField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71639,8 +71553,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemStructTwinSync_B(bField: final bField):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(bField, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71655,8 +71567,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemTupleTwinNormal_B(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71671,8 +71581,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemTupleTwinRustAsync_B(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71687,8 +71595,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case EnumWithItemTupleTwinSync_B(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_list_prim_i_32_strict(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71954,8 +71860,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case KitchenSinkTwinNormal_Enums(field0: final field0):
         sse_encode_i_32(5, serializer);
         sse_encode_weekdays_twin_normal(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -71995,8 +71899,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case KitchenSinkTwinRustAsync_Enums(field0: final field0):
         sse_encode_i_32(5, serializer);
         sse_encode_weekdays_twin_rust_async(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -72036,8 +71938,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case KitchenSinkTwinSync_Enums(field0: final field0):
         sse_encode_i_32(5, serializer);
         sse_encode_weekdays_twin_sync(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -73345,8 +73245,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case MeasureTwinNormal_Distance(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_box_distance_twin_normal(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -73361,8 +73259,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case MeasureTwinRustAsync_Distance(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_box_distance_twin_rust_async(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -73377,8 +73273,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case MeasureTwinSync_Distance(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_box_distance_twin_sync(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -74694,8 +74588,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(2, serializer);
         sse_encode_box_autoadd_list_of_nested_raw_string_mirrored(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -75085,8 +74977,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SimpleEnumTwinNormal_Second(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_String(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -75100,8 +74990,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SimpleEnumTwinRustAsync_Second(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_String(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -75115,8 +75003,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SimpleEnumTwinSync_Second(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_String(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -75200,8 +75086,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
         sse_encode_i_32(1, serializer);
         sse_encode_AutoExplicit_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerStructTwoWithTraitForDynTwinNormal(
             field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -75244,8 +75128,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SpeedTwinNormal_GPS(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -75259,8 +75141,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SpeedTwinRustAsync_GPS(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
@@ -75274,8 +75154,6 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
       case SpeedTwinSync_GPS(field0: final field0):
         sse_encode_i_32(1, serializer);
         sse_encode_f_64(field0, serializer);
-      default:
-        throw UnimplementedError('');
     }
   }
 
diff --git a/tools/frb_internal/lib/src/makefile_dart/generate.dart b/tools/frb_internal/lib/src/makefile_dart/generate.dart
index 6dc4ffeeb3..46c65425b9 100644
--- a/tools/frb_internal/lib/src/makefile_dart/generate.dart
+++ b/tools/frb_internal/lib/src/makefile_dart/generate.dart
@@ -176,6 +176,7 @@ Future<void> generateInternalBookHelp(GenerateConfig config) async {
         relativePwd: 'frb_codegen',
         coverage: config.coverage,
         coverageName: 'GenerateInternalBookHelp',
+        extraEnv: {'RUST_LOG': 'error'},
       );
       File('${exec.pwd}website/docs/generated/_frb-codegen-command-${cmd.isEmpty ? "main" : cmd}.mdx')
           .writeAsStringSync('```\n${resp.stdout}```');
@@ -379,17 +380,18 @@ Future<RunCommandOutput> executeFrbCodegen(
   bool postRelease = false,
   required String coverageName,
   bool nightly = false,
+  Map<String, String>? extraEnv,
 }) async {
   if (postRelease) {
     assert(!coverage);
     return await exec('flutter_rust_bridge_codegen $cmd',
-        relativePwd: relativePwd);
+        relativePwd: relativePwd, extraEnv: extraEnv);
   } else {
     final outputCodecovPath = '${getCoverageDir(coverageName)}/codecov.json';
     final ans = await exec(
       'cargo ${nightly ? "+nightly" : ""} ${coverage ? "llvm-cov run --codecov --output-path $outputCodecovPath" : "run"} --manifest-path ${exec.pwd}frb_codegen/Cargo.toml -- $cmd',
       relativePwd: relativePwd,
-      extraEnv: {'RUST_BACKTRACE': '1'},
+      extraEnv: {'RUST_BACKTRACE': '1', ...?extraEnv},
     );
     if (coverage) transformCodecovReport(outputCodecovPath);
     return ans;
diff --git a/website/docs/generated/_frb-codegen-command-main.mdx b/website/docs/generated/_frb-codegen-command-main.mdx
index d53a5492d7..a88f12585f 100644
--- a/website/docs/generated/_frb-codegen-command-main.mdx
+++ b/website/docs/generated/_frb-codegen-command-main.mdx
@@ -1,5 +1,5 @@
 ```
-High-level memory-safe binding generator for Flutter/Dart <-> Rust
+Flutter/Dart <-> Rust binding generator, feature-rich, but seamless and simple
 
 Usage: flutter_rust_bridge_codegen [OPTIONS] <COMMAND>