import { Observable } from 'rxjs/Observable';
import { LoopActivity } from '../interfaces/loop-activity.interface';
import { AppState } from './app.state';
export interface LoopTrendingActivityState {
    entries?: LoopActivity[];
}
export declare const initialState: LoopTrendingActivityState;
export declare function getTrendingActivities(state$: Observable<AppState>): Observable<LoopActivity[]>;