Perhaps looking into the source might give you a little more information.

    ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
    ⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣤⣤⣾⣼⢀⣆⣀⠀⡆⢀⡆⠀⠀⠀⠀⠀⠀⠀⠀
    ⠀⠀⠀⠀⠀⢠⣠⣶⣽⣸⣯⣼⣽⣿⣼⣿⣧⣿⣷⢾⣷⣤⡎⠀⢠⠂⠀⠀⠀
    ⠀⠀⠀⡀⢤⣜⢯⣼⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡳⢮⡵⢓⡔⡀⡀⠀
    ⠀⠀⢢⡸⣫⣿⣿⡿⢋⣵⠟⠋⢁⣀⣀⡀⠉⠛⢿⣿⣿⣿⣿⣿⣷⣿⣵⢣⠃
    ⠀⢈⣮⣟⣿⢻⡏⠀⣼⡏⠀⣰⡟⠋⠉⠛⢷⣄⠀⢻⡾⡻⣿⣿⣿⣽⣗⡯⠋
    ⠈⣾⣿⠫⠄⢸⡇⠀⢻⣧⠀⠘⠟⢛⣷⠀⠈⣿⠀⢈⣿⠎⠈⣿⢿⣷⣿⠶⠂
    ⠟⡹⢇⢳⢆⠈⢿⣆⠀⠙⠿⠶⠶⠿⠋⢀⣼⡟⠀⡼⠋⢀⣼⣿⢷⢥⡟⠀⠀
    ⠀⣕⣭⣚⠬⣑⣂⠽⠿⣶⣤⣤⣤⣤⣶⠟⢋⢤⣊⣀⣴⣿⠛⡻⡜⡼⠀⠀⠀
    ⠀⠀⣍⣩⣖⠄⡘⠋⠿⢲⠶⢷⡿⡴⡶⡴⢶⣟⢿⢪⢳⠓⠁⠐⡱⠃⠀⠀⠀
    ⠀⠀⠁⠈⠑⠮⡓⠬⣁⠀⠁⠀⡁⠏⠿⠘⠘⠺⡎⠁⡹⠔⠁⠔⠀⠀⠀⠀⠀
    ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠐⠂⠤⠄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀