LEHRDMCMXFOWQOUNHFJNNNKXKUNPS3UTUG2RR237FFAGD43L6QQAC
IKJBYIGY3JABFXD2KOAQNA52ULE6VR4PBFKHWAHHBITXX5KC76MAC
KKHVM4KAM6I5B4KZPIKCEBWRB3LNYCFD7XIH4NCPGLNSMRCGJC6AC
D3MDJONYWWNXVVZDKTPDQE2H2HGMF263LXKT57B2GYCOXNM3PPOQC
4J33F22TRXXW3WRI3KAF7DQZXQ7JH3A5XBNR7BJCKK7OFUF4AHSQC
use-substitutes ${if cfg.useSubstitutes then "1" else "0"}
use-substitutes = ${if cfg.useSubstitutes then "1" else "0"}