Sets the connection properties map to be sent to the remote peer in our Open frame.
If non-null, the given map will be copied and augmented with the default map containing "product" and "version"
entries if not present in the given properties. If null, no properties map will be sent.
@param properties
the properties map, or null to request not sending any properties map
@return the connection
Sets the connection properties map to be sent to the remote peer in our Open frame.
If non-null, the given map will be copied and augmented with the default map containing "product" and "version" entries if not present in the given properties. If null, no properties map will be sent.
@param properties the properties map, or null to request not sending any properties map @return the connection