case "${THIS_SUB_DEPENDS}" in
  RUBY) is_depends_enabled ${SPELL} ruby && return 0 ;;
  PYTHON) is_depends_enabled ${SPELL} python && return 0 ;;
  CSHARP) if is_depends_enabled ${SPELL} $(get_spell_provider ${SPELL} CSHARP); then return 0; fi ;;
esac &&
return 1
