Incumbent Indonesian president Joko Widodo talks to media about the result of a presidential election, during a press briefing in Jakarta, April 18, 2019. Presidential hopeful Joko Widodo declared himself as the victor in the 2019 presidential election with 54.5 percent of votes. REUTERS/Angie Teo

Incumbent Indonesian president Joko Widodo accompanied his running mate Ma'ruf Amin talks to media about the result of a presidential election, during a press briefing in Jakarta, April 18, 2019. ANTARA

Incumbent Indonesian president Joko Widodo accompanied his running mate Ma'ruf Amin after talks to media about the result of a presidential election, during a press briefing in Jakarta, April 18, 2019. ANTARA

Incumbent Indonesian president Joko Widodo prepares talks to media about the result of a presidential election, during a press briefing in Jakarta, April 18, 2019. . TEMPO/Subekti.

Incumbent Indonesian president Joko Widodo when arrived before talks to media about the result of a presidential election, during a press briefing in Jakarta, April 18, 2019. TEMPO/Subekti.