公開 こうかい受信 じゅしん しゃ表示 ひょうじであれば
hikōkai jushinshahyōjideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 非公開受信者表示

1. If the non-public recipient is displayed; If displayed as a non-public recipient

Ba Conditional
Computing