import { BehaviorSubject, Observable } from 'rxjs';
import { BoundsLiteral } from '../interface/bounds';
import { GeoPoint } from '../interface/geo-point';
import { MapsAPILoader } from './maps-api-loader/maps-api-loader';
import * as i0 from "@angular/core";
export interface FitBoundsDetails {
    latLng: GeoPoint;
}
/**
 * @internal
 */
export type BoundsMap = Map<string, GeoPoint>;
/**
 * Class to implement when you what to be able to make it work with the auto fit bounds feature
 * of AGM.
 */
export declare abstract class FitBoundsAccessor {
    abstract getFitBoundsDetails$(): Observable<FitBoundsDetails>;
}
/**
 * The FitBoundsService is responsible for computing the bounds of the a single map.
 */
export declare abstract class FitBoundsService {
    protected readonly bounds$: Observable<BoundsLiteral>;
    protected readonly _boundsChangeSampleTime$: BehaviorSubject<number>;
    protected readonly _includeInBounds$: BehaviorSubject<BoundsMap>;
    constructor(loader: MapsAPILoader);
    protected abstract generateBounds(includeInBounds: Map<string, GeoPoint>): BoundsLiteral;
    addToBounds(latLng: GeoPoint): void;
    removeFromBounds(latLng: google.maps.LatLng | google.maps.LatLngLiteral): void;
    changeFitBoundsChangeSampleTime(timeMs: number): void;
    getBounds$(): Observable<BoundsLiteral>;
    protected _createIdentifier(latLng: google.maps.LatLng | google.maps.LatLngLiteral): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<FitBoundsService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FitBoundsService>;
}