pub unsafe extern "C" fn C_SkImageFilters_PointLitSpecular(
    location: *const SkPoint3,
    lightColor: SkColor,
    surfaceScale: SkScalar,
    ks: SkScalar,
    shininess: SkScalar,
    input: *mut SkImageFilter,
    cropRect: *const SkImageFilters_CropRect
) -> *mut SkImageFilter