DartLsl_push_chunk_f typedef
        DartLsl_push_chunk_f =
     int Function(lsl_outlet out, Pointer<Float>  data, int data_elements)
    
    
    
Implementation
typedef DartLsl_push_chunk_f =
    int Function(
      lsl_outlet out,
      ffi.Pointer<ffi.Float> data,
      int data_elements,
    );