asclass AbstractCompressor_AnyType<A, Data> extends Probabilistic {
  CompressionSearch_AnyType<A, Data> search;
  
  *() {}
  *(CompressionSearch_AnyType<A, Data> *search) {}
  
  void setSearch(CompressionSearch_AnyType<A, Data> search) {
    if (this.search != null && this.search != search) fail();
    this.search = search;
  }
  
  CompressionRegime_AnyType<A, Data> regime() { ret search?.regime(); }
  
  // get current best compressed representation
  //abstract A currentBestDecompressor aka get();
}