import { EventEmitter, InjectOptions, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
import { NearestDirectionFunction } from 'ol/array';
import { LoadFunction } from 'ol/Tile';
import { ObjectEvent } from 'ol/Object';
import { TileSourceEvent } from 'ol/source/Tile';
import BaseEvent from 'ol/events/Event';
import Google, { Options } from 'ol/source/Google';
import { NolPrefixedOptions, NolSafeAny } from 'ngx-ol-library/core';
import * as i0 from "@angular/core";
/**
 * A tile layer source component that renders tiles from
 * the Google [Map Tiles API](https://developers.google.com/maps/documentation/tile/overview).
 * @name nol-google-source
 * @order 1
 */
export declare class NolGoogleSourceComponent implements NolPrefixedOptions<Options>, OnInit, OnChanges, OnDestroy {
    nolKey: string;
    nolMapType?: string;
    nolLanguage?: string;
    nolRegion?: string;
    nolImageFormat?: string;
    nolScale?: string;
    nolHighDpi?: boolean;
    nolLayerTypes?: string[];
    nolOverlay?: boolean;
    nolStyles?: NolSafeAny[];
    nolAttributionsCollapsible?: boolean;
    nolInterpolate?: boolean;
    nolCacheSize?: number;
    nolReprojectionErrorThreshold?: number;
    nolTileLoadFunction?: LoadFunction;
    nolWrapX?: boolean;
    nolTransition?: number;
    nolZDirection?: number | NearestDirectionFunction;
    nolProperties?: Record<string, NolSafeAny>;
    nolChange: EventEmitter<BaseEvent>;
    nolError: EventEmitter<BaseEvent>;
    nolPropertychange: EventEmitter<ObjectEvent>;
    nolTileloadend: EventEmitter<TileSourceEvent>;
    nolTileloaderror: EventEmitter<TileSourceEvent>;
    nolTileloadstart: EventEmitter<TileSourceEvent>;
    private readonly destroyRef;
    private readonly host;
    private instance;
    getInstance(): Google;
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NolGoogleSourceComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NolGoogleSourceComponent, "nol-google-source", ["nolGoogleSource"], { "nolKey": { "alias": "nolKey"; "required": false; }; "nolMapType": { "alias": "nolMapType"; "required": false; }; "nolLanguage": { "alias": "nolLanguage"; "required": false; }; "nolRegion": { "alias": "nolRegion"; "required": false; }; "nolImageFormat": { "alias": "nolImageFormat"; "required": false; }; "nolScale": { "alias": "nolScale"; "required": false; }; "nolHighDpi": { "alias": "nolHighDpi"; "required": false; }; "nolLayerTypes": { "alias": "nolLayerTypes"; "required": false; }; "nolOverlay": { "alias": "nolOverlay"; "required": false; }; "nolStyles": { "alias": "nolStyles"; "required": false; }; "nolAttributionsCollapsible": { "alias": "nolAttributionsCollapsible"; "required": false; }; "nolInterpolate": { "alias": "nolInterpolate"; "required": false; }; "nolCacheSize": { "alias": "nolCacheSize"; "required": false; }; "nolReprojectionErrorThreshold": { "alias": "nolReprojectionErrorThreshold"; "required": false; }; "nolTileLoadFunction": { "alias": "nolTileLoadFunction"; "required": false; }; "nolWrapX": { "alias": "nolWrapX"; "required": false; }; "nolTransition": { "alias": "nolTransition"; "required": false; }; "nolZDirection": { "alias": "nolZDirection"; "required": false; }; "nolProperties": { "alias": "nolProperties"; "required": false; }; }, { "nolChange": "nolChange"; "nolError": "nolError"; "nolPropertychange": "nolPropertychange"; "nolTileloadend": "nolTileloadend"; "nolTileloaderror": "nolTileloaderror"; "nolTileloadstart": "nolTileloadstart"; }, never, ["*"], true, never>;
}
export declare function useGoogleSource(): NolGoogleSourceComponent;
export declare function useGoogleSource(options: InjectOptions & {
    optional?: false;
}): NolGoogleSourceComponent;
export declare function useGoogleSource(options: InjectOptions): NolGoogleSourceComponent | null;