置換 ちかん可能 かのう引数 ひきすうデータでしょう
chikankanō hikisūdētadeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 置換可能引数データ

1. Likely replaceable argument data.; Possibly replaceable argument data.

Polite
Presumptive
Conjecture
Computing