Indonesian incumbent President Joko Widodo (Jokowi) delivers a speech as his running mate Ma'ruf Amin listens following Indonesia's constitutional court delivering the verdict on the challenge to the official result of April's presidential election, at Halim Perdanakusuma airport in Jakarta, Indonesia, June 27, 2019. Jokowi on Thursday called for unity in the country after the Constitutional Court confirmed his re-election in April's presidential race. Antara Foto/Wahyu Putro A

Indonesian incumbent President Joko Widodo reacts as he arrives at his running mate Ma'ruf Amin's house in Jakarta, Indonesia, June 27, 2019. A panel of nine judges dismissed allegations of cheating made by challenger Prabowo Subianto and upheld official results released last month by the General Elections Commission which showed Widodo had won the race to lead the world's third-largest democracy with 55.5% of votes. REUTERS/Willy Kurniawan

Indonesian incumbent President Joko Widodo greets his running mate Ma'ruf Amin as he arrives at Ma'ruf Amin's house in Jakarta, Indonesia, June 27, 2019. "I urge all Indonesians to reunite to advance the country," he told reporters at an airport in Jakarta before he was due to depart for the G20 summit in Japan. REUTERS/Willy Kurniawan

Indonesian incumbent President Joko Widodo and his running mate Ma'ruf Amin walk to greet journalists at Ma'ruf Amin's house in Jakarta, Indonesia, June 27, 2019. Jokowi on Thursday called for unity in the country after the Constitutional Court confirmed his re-election in April's presidential race. REUTERS/Willy Kurniawan

Indonesian incumbent President Joko Widodo and his running mate Ma'ruf Amin smile as they greet journalists in Jakarta, Indonesia, June 27, 2019. Jokowi on Thursday called for unity in the country after the Constitutional Court confirmed his re-election in April's presidential race. REUTERS/Willy Kurniawan

Indonesian incumbent President Joko Widodo and his running mate Ma'ruf Amin greet journalists at Ma'ruf Amin's house in Jakarta, Indonesia, June 27, 2019. Jokowi on Thursday called for unity in the country after the Constitutional Court confirmed his re-election in April's presidential race. REUTERS/Willy Kurniawan