deb [arch=amd64 signed-by=/usr/share/keyrings/apache-arrow-keyring.gpg] https://dl.bintray.com/apache/arrow/ubuntu/ bionic main                                                             deb-src [signed-by=/usr/share/keyrings/apache-arrow-keyring.gpg] https://dl.bintray.com/apache/arrow/ubuntu/ bionic main