import { Long } from 'bson';
import { ChatLogged } from '../chat';
import { ChannelUser } from '../user';
import { ChannelData } from './channel-info';
import { ChannelDataUpdater } from './updater';
/**
 * Store channel data
 */
export interface ChannelDataStore<T, U> extends ChannelData<T> {
    /**
     * Get total user count
     */
    readonly userCount: number;
    /**
     * Get channel user info
     *
     * @param user User to find
     */
    getUserInfo(user: ChannelUser): Readonly<U> | undefined;
    /**
     * Get user info iterator
     */
    getAllUserInfo(): IterableIterator<U>;
    /**
     * Get readers in this channel.
     * This may not work correctly on channel with many users. (99+)
     *
     * @param chat
     */
    getReaders(chat: ChatLogged): Readonly<U>[];
    /**
     * Get reader count.
     * This may not work correctly on channel with many users. (99+)
     *
     * @param chat
     */
    getReadCount(chat: ChatLogged): number;
}
export interface UpdatableChannelDataStore<T, U> extends ChannelDataStore<T, U>, ChannelDataUpdater<T, U> {
}
export interface ChannelStore<T> {
    /**
     * Try to get channel instance with channel id
     *
     * @param channelId
     */
    get(channelId: Long): T | undefined;
    /**
     * Iterate every channel list
     */
    all(): IterableIterator<T>;
    /**
     * Total channel count
     */
    readonly size: number;
}