def __str__ (self):
		if self == 0x01:
			return "AUTHENTIFICATION INFORMATION"
		if self is 0x02:
			return "OPTIONAL"
		return 'UNKNOWN'

# =================================================================== Capabilities
# http://www.iana.org/assignments/capability-codes/

# +------------------------------+
# | Capability Code (1 octet)    |
# +------------------------------+
# | Capability Length (1 octet)  |
# +------------------------------+
# | Capability Value (variable)  |
# +------------------------------+
dataset/ETHPy150Open Exa-Networks/exabgp/lib/exabgp/bgp/message/open/capability/capabilities.py/Parameter.__str__/operator `==` -> `is`