Module Registration_sigs

module Registration_sigs : sig..end

module type PARAM = sig..end

module type PARAM_POLY = sig..end

module type APP_PARAM = sig..end

module type S = sig..end

module type S_with_create = sig..end

module type S_poly = sig..end

module type S_poly_with_create = sig..end

module type S_poly_with_send = sig..end

module type S_poly_with_create_with_send = sig..end