in src/ext/guac.py [0:0]
def get_senders(self):
"""
Returns the set of Guacamole protocol endpoints ("client" or "server")
that may send this instruction, as declared by the "sent-by" directive
option. An instruction may be sent by client, server, or both. If no
endpoint is declared, the "server" endpoint is assumed by default.
:return set:
The set of Guacamole protocol endpoints that may send this
instruction.
"""
return self.options.get('sent-by', { 'server' })