import { EventEmitter, InjectOptions, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
import { Feature } from 'ol';
import { ObjectEvent } from 'ol/Object';
import { Extent } from 'ol/extent';
import { Geometry } from 'ol/geom';
import BaseEvent from 'ol/events/Event';
import Heatmap, { Options } from 'ol/layer/Heatmap';
import RenderEvent from 'ol/render/Event';
import VectorSource from 'ol/source/Vector';
import { NolPrefixedOptions, NolSafeAny } from 'ngx-ol-library/core';
import * as i0 from "@angular/core";
/**
 * Layer component for rendering vector data as a heatmap.
 * @name nol-heatmap-layer
 * @order 1
 */
export declare class NolHeatmapLayerComponent implements NolPrefixedOptions<Options<Feature<Geometry>>>, OnInit, OnChanges, OnDestroy {
    nolClassName?: string;
    nolOpacity?: number;
    nolVisible?: boolean;
    nolExtent?: Extent;
    nolZIndex?: number;
    nolMinResolution?: number;
    nolMaxResolution?: number;
    nolMinZoom?: number;
    nolMaxZoom?: number;
    nolGradient?: string[];
    nolRadius?: number;
    nolBlur?: number;
    nolWeight?: string | ((feature: Feature<Geometry>) => number);
    nolSource?: VectorSource<Feature<Geometry>>;
    nolProperties?: Record<string, NolSafeAny>;
    nolChange: EventEmitter<BaseEvent>;
    nolBlurChange: EventEmitter<number>;
    nolExtentChange: EventEmitter<Extent>;
    nolGradientChange: EventEmitter<string[]>;
    nolMaxResolutionChange: EventEmitter<number>;
    nolMaxZoomChange: EventEmitter<number>;
    nolMinResolutionChange: EventEmitter<number>;
    nolMinZoomChange: EventEmitter<number>;
    nolOpacityChange: EventEmitter<number>;
    nolRadiusChange: EventEmitter<number>;
    nolSourceChange: EventEmitter<VectorSource<Feature<Geometry>>>;
    nolVisibleChange: EventEmitter<boolean>;
    nolZIndexChange: EventEmitter<number>;
    nolError: EventEmitter<BaseEvent>;
    nolPostcompose: EventEmitter<RenderEvent>;
    nolPostrender: EventEmitter<RenderEvent>;
    nolPrecompose: EventEmitter<RenderEvent>;
    nolPrerender: EventEmitter<RenderEvent>;
    nolPropertychange: EventEmitter<ObjectEvent>;
    nolRendercomplete: EventEmitter<RenderEvent>;
    nolSourceready: EventEmitter<BaseEvent>;
    private readonly cdr;
    private readonly destroyRef;
    private readonly host;
    private instance;
    getInstance(): Heatmap<Feature<Geometry>>;
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NolHeatmapLayerComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NolHeatmapLayerComponent, "nol-heatmap-layer", ["nolHeatmapLayer"], { "nolClassName": { "alias": "nolClassName"; "required": false; }; "nolOpacity": { "alias": "nolOpacity"; "required": false; }; "nolVisible": { "alias": "nolVisible"; "required": false; }; "nolExtent": { "alias": "nolExtent"; "required": false; }; "nolZIndex": { "alias": "nolZIndex"; "required": false; }; "nolMinResolution": { "alias": "nolMinResolution"; "required": false; }; "nolMaxResolution": { "alias": "nolMaxResolution"; "required": false; }; "nolMinZoom": { "alias": "nolMinZoom"; "required": false; }; "nolMaxZoom": { "alias": "nolMaxZoom"; "required": false; }; "nolGradient": { "alias": "nolGradient"; "required": false; }; "nolRadius": { "alias": "nolRadius"; "required": false; }; "nolBlur": { "alias": "nolBlur"; "required": false; }; "nolWeight": { "alias": "nolWeight"; "required": false; }; "nolSource": { "alias": "nolSource"; "required": false; }; "nolProperties": { "alias": "nolProperties"; "required": false; }; }, { "nolChange": "nolChange"; "nolBlurChange": "nolBlurChange"; "nolExtentChange": "nolExtentChange"; "nolGradientChange": "nolGradientChange"; "nolMaxResolutionChange": "nolMaxResolutionChange"; "nolMaxZoomChange": "nolMaxZoomChange"; "nolMinResolutionChange": "nolMinResolutionChange"; "nolMinZoomChange": "nolMinZoomChange"; "nolOpacityChange": "nolOpacityChange"; "nolRadiusChange": "nolRadiusChange"; "nolSourceChange": "nolSourceChange"; "nolVisibleChange": "nolVisibleChange"; "nolZIndexChange": "nolZIndexChange"; "nolError": "nolError"; "nolPostcompose": "nolPostcompose"; "nolPostrender": "nolPostrender"; "nolPrecompose": "nolPrecompose"; "nolPrerender": "nolPrerender"; "nolPropertychange": "nolPropertychange"; "nolRendercomplete": "nolRendercomplete"; "nolSourceready": "nolSourceready"; }, never, ["*"], true, never>;
}
export declare function useHeatmapLayer(): NolHeatmapLayerComponent;
export declare function useHeatmapLayer(options: InjectOptions & {
    optional?: false;
}): NolHeatmapLayerComponent;
export declare function useHeatmapLayer(options: InjectOptions): NolHeatmapLayerComponent | null;