/** Describes the type of a chat */
export declare type ChatTypeUnion = ChatTypePrivate | ChatTypeBasicGroup | ChatTypeSupergroup | ChatTypeSecret;
/** An ordinary chat with a user */
export interface ChatTypePrivate {
    _: 'chatTypePrivate';
    /** User identifier */
    userId: number;
}
/** A basic group (i.e., a chat with 0-200 other users) */
export interface ChatTypeBasicGroup {
    _: 'chatTypeBasicGroup';
    /** Basic group identifier */
    basicGroupId: number;
}
/**
 * A supergroup (i.e. a chat with up to GetOption("supergroup_max_size") other users),
 * or channel (with unlimited members)
 */
export interface ChatTypeSupergroup {
    _: 'chatTypeSupergroup';
    /** Supergroup or channel identifier */
    supergroupId: number;
    /** True, if the supergroup is a channel */
    isChannel: boolean;
}
/** A secret chat with a user */
export interface ChatTypeSecret {
    _: 'chatTypeSecret';
    /** Secret chat identifier */
    secretChatId: number;
    /** User identifier of the secret chat peer */
    userId: number;
}