import { AfterContentInit, OnChanges, SimpleChanges } from '@angular/core';
import { ScaleControl } from 'mapbox-gl';
import { MapService } from '../map/map.service';
import { ControlComponent } from './control.component';
import * as i0 from "@angular/core";
export declare class ScaleControlDirective implements AfterContentInit, OnChanges {
    private mapService;
    private controlComponent;
    maxWidth?: number;
    unit?: 'imperial' | 'metric' | 'nautical';
    constructor(mapService: MapService, controlComponent: ControlComponent<ScaleControl>);
    ngOnChanges(changes: SimpleChanges): void;
    ngAfterContentInit(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ScaleControlDirective, [null, { host: true; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ScaleControlDirective, "[mglScale]", never, { "maxWidth": "maxWidth"; "unit": "unit"; }, {}, never>;
}