[n_act_orb] 
type: integer
doc: Number of active |MOs| 
interface: ezfio

[ormas_n_space]
type: integer
doc: Number of active spaces
interface: ezfio, provider, ocaml
default: 1

[ormas_mstart]
type: integer
doc: starting orb for each ORMAS space
size: (bitmask.ormas_n_space)
interface: ezfio, provider, ocaml

[ormas_min_e]
type: integer
doc: min number of electrons in each ORMAS space
size: (bitmask.ormas_n_space)
interface: ezfio, provider, ocaml

[ormas_max_e]
type: integer
doc: max number of electrons in each ORMAS space
size: (bitmask.ormas_n_space)
interface: ezfio, provider, ocaml