setCollapsibleButtonVisibleにメソッド名を変更
setCollapsibleButtonVisibleにメソッド名を変更

nakamurataichi/Parapara-Canvas-Editor,comozilla/Parapara-Canvas-Editor,yusukeendou/Parapara-Canvas-Editor,nakamurataichi/Parapara-Canvas-Editor,comozilla/Parapara-Canvas-Editor,yusukeendou/Parapara-Canvas-Editor