pub unsafe extern "C" fn Dart_GetNativeStringArgument(
args: Dart_NativeArguments,
arg_index: c_int,
peer: *mut *mut c_void,
) -> Dart_Handlepub unsafe extern "C" fn Dart_GetNativeStringArgument(
args: Dart_NativeArguments,
arg_index: c_int,
peer: *mut *mut c_void,
) -> Dart_Handle