export declare enum MessageType {
    TextV2 = "textV2",
    Flex = "flex"
}
export declare enum QuickReplyItemType {
    Action = "action"
}
export declare enum ActionType {
    Message = "message",
    Postback = "postback"
}
type MessageAction = {
    type: ActionType.Message;
    label: string;
    text: string;
};
type PostbackAction = {
    type: ActionType.Postback;
    label: string;
    data: string;
    displayText?: string;
};
export type Action = MessageAction | PostbackAction;
export type QuickReply = {
    items: Array<{
        type: QuickReplyItemType.Action;
        action: Action;
    }>;
};
type CommonMessage = {
    type: MessageType;
    quickReply?: QuickReply;
};
type TextV2 = {
    type: MessageType.TextV2;
    text: string;
    quoteToken?: string;
};
type FlexMessage = {
    type: MessageType.Flex;
    altText: string;
    contents: unknown;
};
export type Message = (CommonMessage & TextV2) | (CommonMessage & FlexMessage);
export {};