import { OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
import { FitBoundsAccessor, FitBoundsService } from '../services/fit-bounds';
import * as i0 from "@angular/core";
/**
 * Adds the given directive to the auto fit bounds feature when the value is true.
 * To make it work with you custom AGM component, you also have to implement the {@link FitBoundsAccessor} abstract class.
 *
 * @example
 * <map-marker [mapFitBounds]="true"></map-marker>
 */
export declare class NgMapsFitBoundsDirective implements OnInit, OnDestroy, OnChanges {
    private readonly _fitBoundsAccessor;
    private readonly _fitBoundsService;
    /**
     * If the value is true, the element gets added to the bounds of the map.
     * Default: true.
     */
    mapFitBounds: boolean;
    private _latestFitBoundsDetails;
    private subscription;
    constructor(_fitBoundsAccessor: FitBoundsAccessor, _fitBoundsService: FitBoundsService);
    /**
     * @internal
     */
    ngOnChanges(changes: SimpleChanges): void;
    /**
     * @internal
     */
    ngOnInit(): void;
    /**
     * Either the location changed, or visible status changed.
     * Possible state changes are
     * invisible -> visible
     * visible -> invisible
     * visible -> visible (new location)
     */
    private _updateBounds;
    /**
     * @internal
     */
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgMapsFitBoundsDirective, [{ self: true; }, null]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NgMapsFitBoundsDirective, "[mapFitBounds]", never, { "mapFitBounds": { "alias": "mapFitBounds"; "required": false; }; }, {}, never, never, false, never>;
}