pub unsafe extern "C" fn GxB_Matrix_import_BitmapR(
A: *mut GrB_Matrix,
type_: GrB_Type,
nrows: GrB_Index,
ncols: GrB_Index,
Ab: *mut *mut i8,
Ax: *mut *mut c_void,
Ab_size: GrB_Index,
Ax_size: GrB_Index,
iso: bool,
nvals: GrB_Index,
desc: GrB_Descriptor,
) -> GrB_Info