import { EventEmitter, OnChanges, OnDestroy, OnInit, SimpleChange } from '@angular/core';
import { ClusterIconStyle, MarkerClustererOptions } from '@google/markerclustererplus';
import { Calculator } from '@google/markerclustererplus/dist/markerclusterer';
import { ClusterManager } from '../services/managers/cluster-manager';
import * as i0 from "@angular/core";
/**
* AgmMarkerCluster clusters map marker if they are near together
*
* ### Example
```typescript
import { Component } from '@angular/core';
@Component({
selector: 'my-map-cmp',
styles: [`
agm-map {
height: 300px;
}
`],
template: `
`
})
```
*/
export declare class AgmMarkerCluster implements OnDestroy, OnChanges, OnInit, MarkerClustererOptions {
private _clusterManager;
/**
* The grid size of a cluster in pixels
*/
gridSize: number;
/**
* The maximum zoom level that a marker can be part of a cluster.
*/
maxZoom: number;
/**
* Whether the default behaviour of clicking on a cluster is to zoom into it.
*/
zoomOnClick: boolean;
/**
* Whether the center of each cluster should be the average of all markers in the cluster.
*/
averageCenter: boolean;
/**
* The minimum number of markers to be in a cluster before the markers are hidden and a count is shown.
*/
minimumClusterSize: number;
/**
* An object that has style properties.
*/
styles: ClusterIconStyle[];
/**
* A function that calculates the cluster style and text based on the markers in the cluster.
*/
calculator: Calculator;
imagePath: string;
imageExtension: string;
/**
* The name of the CSS class defining general styles for the cluster markers.
* Use this class to define CSS styles that are not set up by the code that
* processes the `styles` array.
*
* @defaultValue 'cluster'
*/
clusterClass: string;
/**
* Whether to allow the use of cluster icons that have sizes that are some
* multiple (typically double) of their actual display size. Icons such as
* these look better when viewed on high-resolution monitors such as Apple's
* Retina displays. Note: if this property is `true`, sprites cannot be used
* as cluster icons.
*
* @defaultValue false
*/
enableRetinaIcons: boolean;
/**
* Whether to ignore hidden markers in clusters. You may want to set this to
* `true` to ensure that hidden markers are not included in the marker count
* that appears on a cluster marker (this count is the value of the `text`
* property of the result returned by the default `calculator`). If set to
* `true` and you change the visibility of a marker being clustered, be sure
* to also call `MarkerClusterer.repaint()`.
*
* @defaultValue false
*/
ignoreHidden: boolean;
/**
* An array of numbers containing the widths of the group of
* `.` image files. (The images are assumed to
* be square.)
*
* @defaultValue [53, 56, 66, 78, 90]
*/
imageSizes: number[];
/**
* The tooltip to display when the mouse moves over a cluster marker.
* (Alternatively, you can use a custom `calculator` function to specify a
* different tooltip for each cluster marker.)
*
* @defaultValue ''
*/
title: string;
clusterClick: EventEmitter;
private _observableSubscriptions;
constructor(_clusterManager: ClusterManager);
/** @internal */
ngOnDestroy(): void;
/** @internal */
ngOnChanges(changes: {
[key: string]: SimpleChange;
}): void;
private _addEventListeners;
/** @internal */
ngOnInit(): void;
static ɵfac: i0.ɵɵFactoryDeclaration;
static ɵdir: i0.ɵɵDirectiveDeclaration;
}