ATTACH			struct icalattachtype	# Non-std
BINARY			char*
BOOLEAN			int
CAL-ADDRESS		char*
DATE			struct icaltimetype
DATE-TIME		struct icaltimetype
DATE-TIME-DATE		struct icaltimetype	# Non-std
DATE-TIME-PERIOD	struct icalperiodtype	# Non-std
DURATION		struct icaldurationtype
FLOAT			float
GEO			struct icalgeotype	# Non-std
INTEGER			int
METHOD			icalproperty_method	# Non-std
PERIOD			struct icalperiodtype
RECUR			struct icalrecurrencetype
TEXT			char*
TIME			struct icaltimetype
TRIGGER			union icaltriggertype	# Non-std
URI			char*
UTC-OFFSET		int
QUERY			char*