import { IBot } from './bot';
export declare type DecInfo = {
    name: string;
    handler(...args: any[]): AsyncGenerator | Promise<any>;
};
export declare type HelpInfo = DecInfo & {
    type: 'help';
};
export declare type StartInfo = DecInfo & {
    type: 'start';
};
export declare type ActionInfo = DecInfo & {
    type: 'action';
    opts: IActionDecoratorOpts;
};
export declare type CommandInfo = DecInfo & {
    type: 'command';
    opts: ICommandDecoratorOpts;
};
export declare type HearsInfo = DecInfo & {
    type: 'hears';
    opts: IHearsDecoratorOpts;
    match: RegExp;
};
export declare type MenuInfo = DecInfo & {
    type: 'callback_menu';
    menuId: string;
    buttonId: string;
};
export declare type CallbackQueryInfo = DecInfo & {
    type: 'callback_query';
};
export declare type InitInfo = CommandInfo | ActionInfo | HelpInfo | StartInfo | HearsInfo | MenuInfo | CallbackQueryInfo;
export declare const SYM_EVENTS: unique symbol;
export declare const SYM_CONTEXT: unique symbol;
export declare const SYM_STATE: unique symbol;
export declare const SYM_ONCE: unique symbol;
export declare const SYM_PROMISE_REPLACE: unique symbol;
export declare const SYM_HEAR_EXEC_COUNTS: unique symbol;
export declare const SYM_CBHANDLER_FUNCTION: unique symbol;
export declare const INIT_MAP: WeakMap<IBot, InitInfo[]>;
/**
 * Indicates whether the given object is generator-like or not.
 *
 * @export
 * @param {*} thing The object to check.
 * @returns {thing is AsyncGenerator} `true` if the given object is generator.
 */
export declare function isGenerator(thing: any): thing is AsyncGenerator;
/**
 * Indicates whether the given object is promise-like or not.
 *
 * @export
 * @template T The type of the promise.
 * @param {*} thing The object to check.
 * @returns {thing is Promise<T>} `true` if the given object is a promise.
 */
export declare function isPromise<T = any>(thing: any): thing is Promise<T>;