{
  json_mapping = {
    owner = "crystal-lang";
    repo = "json_mapping.cr";
    rev = "v0.1.0";
    sha256 = "1qq5vs2085x7cwmp96rrjns0yz9kiz1lycxynfbz5psxll6b8p55";
  };
  yaml_mapping = {
    owner = "crystal-lang";
    repo = "yaml_mapping.cr";
    rev = "v0.1.0";
    sha256 = "02spz1521g59ar6rp0znnr01di766kknbjxjnygs39yn0cmpzqc1";
  };
}