@nogc @trusted
bool
crypto_aead_chacha20poly1305_ietf_decrypt_detached
(,,const ubyte[crypto_aead_chacha20poly1305_ietf_ABYTES] mac ,,const ubyte[crypto_aead_chacha20poly1305_ietf_NPUBBYTES] npub ,const ubyte[crypto_aead_chacha20poly1305_ietf_KEYBYTES] k )