import { InjectionToken } from '@angular/core';
import { Observable } from 'rxjs';
import { RealTimeDataItem } from '../models/realtime-data-item.model';
import { Poi } from '@metromobilite/m-features/reference';
import { RealtimeDataService } from '../realtime-data.service';
import { StopTime } from '../models/cluster-stoptimes.model';
import { Line } from '@metromobilite/m-features/core';
export interface RealtimeDataStrategy {
    name: string;
    load(poi: Poi, originalItems: RealTimeDataItem[], lines: Line[]): Observable<[StopTime[], boolean]>;
    preTransform(poi: Poi, items: RealTimeDataItem[], stopTimes: StopTime[]): void;
    sort(a: RealTimeDataItem, b: RealTimeDataItem): number;
    postTransform(poi: Poi, items: RealTimeDataItem[], stopTimes: StopTime[]): void;
}
export declare abstract class RealtimeDataStrategyBase implements RealtimeDataStrategy {
    protected realtimeDataService: RealtimeDataService;
    name: string;
    constructor(realtimeDataService: RealtimeDataService);
    load(poi: Poi, originalItems: RealTimeDataItem[], lines: Line[]): Observable<[StopTime[], boolean]>;
    preTransform(poi: Poi, items: RealTimeDataItem[], stopTimes: StopTime[]): void;
    abstract sort(a: RealTimeDataItem, b: RealTimeDataItem): number;
    postTransform(poi: Poi, items: RealTimeDataItem[], stopTimes: StopTime[]): void;
}
export declare const REALTIME_DATA_STRATEGY: InjectionToken<RealtimeDataStrategy>;