Set this object to true if the capabilities option should be included
in OPEN messages sent to this peer. Even if this object is set to true,
BGP may decide not to include the capabilities option in OPEN messages
sent to this peer (for example when it is detected that the peer does
not support capability negotiation). The
juniBgpPeerSentCapabilitiesOption can be used to determine whether or
not the OPEN message sent to the peer actually contained the
capabilities option.