Dart_DwarfStackTraceFootnoteCallbackFunction typedef
        Dart_DwarfStackTraceFootnoteCallbackFunction =
     Pointer<Char>  Function(Pointer<Pointer<Void> >  addresses, IntPtr count)
    
    
    
Implementation
typedef Dart_DwarfStackTraceFootnoteCallbackFunction = ffi.Pointer<ffi.Char>
    Function(ffi.Pointer<ffi.Pointer<ffi.Void>> addresses, ffi.IntPtr count);