Function ImPlot_PlotShadedG_LJ 

pub unsafe extern "C" fn ImPlot_PlotShadedG_LJ(
    label_id: *const c_char,
    getter1: ImPlotPoint_getter,
    data1: *mut c_void,
    getter2: ImPlotPoint_getter,
    data2: *mut c_void,
    count: c_int,
    spec: ImPlotSpec_c,
)