Is it possible to have 2 or more index buffers when creating custom mesh with Qt 3D?

[Rayterex]

I have two different buffers, one containing vertex coordinates and second one containing vertex normals. In most cases they are organized the same so I can use one index buffer, but is it possible to use 2 different index buffers if data is organized somehow different?

I would like to do something like

custom_geo.addAttribute(vtx_pos_attribute)
custom_geo.addAttribute(vtx_pos_index_attribute)
custom_geo.addAttribute(vtx_normal_attribute)
custom_geo.addAttribute(vtx_normal_index_attribute)

but I think that my second index attribute just overrides previous one. Anyone has any idea how to fix this?