pub unsafe extern "C" fn ImDrawList_AddRectFilledMultiColor(
    self_: *mut ImDrawList,
    p_min: ImVec2,
    p_max: ImVec2,
    col_upr_left: ImU32,
    col_upr_right: ImU32,
    col_bot_right: ImU32,
    col_bot_left: ImU32
)