import { Action } from '@ngrx/store';
import { Message } from '../../models/message.model';
export declare const key = "messages";
export declare type State = Array<Message>;
export declare function reducer(state: State | undefined, action: Action): State;
export declare const selectMessages: (state: any) => any;
export declare const selectUnnotifiedMessages: import("@ngrx/store").MemoizedSelector<any, Message<any>[], import("@ngrx/store").DefaultProjectorFn<Message<any>[]>>;
export declare const selectUnreadMessages: import("@ngrx/store").MemoizedSelector<any, Message<any>[], import("@ngrx/store").DefaultProjectorFn<Message<any>[]>>;
export declare const selectReadMessages: import("@ngrx/store").MemoizedSelector<any, Message<any>[], import("@ngrx/store").DefaultProjectorFn<Message<any>[]>>;
export declare const selectLastMessageByAncestor: (uuid: string) => import("@ngrx/store").MemoizedSelector<any, Message<any>, import("@ngrx/store").DefaultProjectorFn<Message<any>>>;