import { Observable } from 'rxjs/Observable';
import { LoopActivityMessage } from '../interfaces/loop-activity-message.interface';
import { AppState } from './app.state';
/**
 * The AppState slice for persisting LoopActivityMessage records
 *
 * @export
 * @interface LoopActivityMessageState
 */
export interface LoopActivityMessageState {
    /**
     * The collection of loaded LoopActivityMessage entries from the back-end service
     *
     * @type {LoopActivityMessage[]}
     */
    entries?: LoopActivityMessage[];
}
export declare const initialState: LoopActivityMessageState;
export declare function getActivityMessages(state$: Observable<AppState>): Observable<LoopActivityMessage[]>;