import { EventEmitter, InjectOptions, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
import { Collection, Feature } from 'ol';
import { ObjectEvent } from 'ol/Object';
import { Geometry } from 'ol/geom';
import { SnapEvent } from 'ol/events/SnapEvent';
import BaseEvent from 'ol/events/Event';
import VectorSource from 'ol/source/Vector';
import Snap, { Options } from 'ol/interaction/Snap';
import { NolPrefixedOptions, NolSafeAny } from 'ngx-ol-library/core';
import * as i0 from "@angular/core";
/**
 * An interaction component that handles snapping of vector features while modifying
 * or drawing them.
 * @name nol-snap-interaction
 * @order 1
 */
export declare class NolSnapInteractionComponent implements NolPrefixedOptions<Options>, OnInit, OnChanges, OnDestroy {
    nolActive: boolean;
    nolFeatures?: Collection<Feature<Geometry>>;
    nolEdge?: boolean;
    nolVertex?: boolean;
    nolPixelTolerance?: number;
    nolSource?: VectorSource<Feature<Geometry>>;
    nolProperties?: Record<string, NolSafeAny>;
    nolActiveChange: EventEmitter<boolean>;
    nolChange: EventEmitter<BaseEvent>;
    nolError: EventEmitter<BaseEvent>;
    nolPropertychange: EventEmitter<ObjectEvent>;
    nolSnap: EventEmitter<SnapEvent>;
    private readonly cdr;
    private readonly destroyRef;
    private readonly host;
    private instance;
    getInstance(): Snap;
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NolSnapInteractionComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NolSnapInteractionComponent, "nol-snap-interaction", ["nolSnapInteraction"], { "nolActive": { "alias": "nolActive"; "required": false; }; "nolFeatures": { "alias": "nolFeatures"; "required": false; }; "nolEdge": { "alias": "nolEdge"; "required": false; }; "nolVertex": { "alias": "nolVertex"; "required": false; }; "nolPixelTolerance": { "alias": "nolPixelTolerance"; "required": false; }; "nolSource": { "alias": "nolSource"; "required": false; }; "nolProperties": { "alias": "nolProperties"; "required": false; }; }, { "nolActiveChange": "nolActiveChange"; "nolChange": "nolChange"; "nolError": "nolError"; "nolPropertychange": "nolPropertychange"; "nolSnap": "nolSnap"; }, never, ["*"], true, never>;
}
export declare function useSnapInteraction(): NolSnapInteractionComponent;
export declare function useSnapInteraction(options: InjectOptions & {
    optional?: false;
}): NolSnapInteractionComponent;
export declare function useSnapInteraction(options: InjectOptions): NolSnapInteractionComponent | null;