message: feat(deprecated) Port `FuncSig`.
diff: @@ -6,6 +6,7 @@ pub use new::wasm_common::{
  ExternType as ExternDescriptor,
  FunctionIndex as FuncIndex,
  FunctionType as FuncDescriptor,
  + FunctionType as FuncSig,
  GlobalIndex,
  GlobalInit,
  ImportType as ImportDescriptor,
  