val freeze_notify : 'a obj -> unitval thaw_notify : 'a obj -> unitval notify : 'a obj -> string -> unitval set_value : 'a obj -> string -> g_value -> unitval get_value : 'a obj -> string -> g_value -> unitval get_type : 'a obj -> string -> g_typeval set_dyn : 'a obj -> string -> 'b data_set -> unitval get_dyn : 'a obj -> string -> data_getval set : 'a obj -> ('a, 'b) property -> 'b -> unitval get : 'a obj -> ('a, 'b) property -> 'bval get_some : 'a obj -> ('a, 'b option) property -> 'bval check : 'a obj -> ('a, 'b) property -> unitval may_cons : ('a, 'b) property -> 'b option -> 'a param list -> 'a param listval may_cons_opt : ('a, 'b option) property -> 'b option -> 'a param list -> 'a param list