plugin XEP-0166, XEP-0167, XEP-0234, XEP-0353: call events management to prepare for UI: - XEP-0166: add `jingle_preflight` and `jingle_preflight_cancel` methods to prepare a jingle session, principally used by XEP-0353 to create and cancel a session - XEP-0167: preflight methods implementation, workflow split in more methods/signals to handle UI and call events (e.g.: retract or reject a call) - XEP-0234: implementation of preflight methods as they are now mandatory - XEP-0353: handle various events using the new preflight methods rel 423

from typing import Tuple, overload


User = str
Host = str
Resource = str


# Note: these typings are incomplete and evolve as needed.
class JID:
    user: User
    host: Host
    resource: Resource

    @overload
    def __init__(self, str: str, tuple: None = None) -> None:
        ...

    @overload
    def __init__(self, str: None, tuple: Tuple[User, Host, Resource]) -> None:
        ...

    def userhost(self) -> str:
        ...

    def userhostJID(self) -> "JID":
        ...

    def full(self) -> str:
        ...