from enum import Enum


class MessageContentType(Enum):
    UNKNOWN_CONTENT_TYPE = 0
    TEXT_PLAIN = 1
    STICKER = 2
    STATUS = 3
    EMOJI = 4
    TRANSACTION_COMMAND = 5
    SYSTEM_MESSAGE_CONTENT_PRIVATE_GROUP = 6
    IMAGE = 7
    AUDIO = 8
    COMMUNITY = 9
    SYSTEM_MESSAGE_GAP = 10
    CONTACT_REQUEST = 11
    DISCORD_MESSAGE = 12
    IDENTITY_VERIFICATION = 13
    SYSTEM_MESSAGE_PINNED_MESSAGE = 14
    SYSTEM_MESSAGE_MUTUAL_EVENT_SENT = 15
    SYSTEM_MESSAGE_MUTUAL_EVENT_ACCEPTED = 16
    SYSTEM_MESSAGE_MUTUAL_EVENT_REMOVED = 17
    BRIDGE_MESSAGE = 18