import { OnChanges, SimpleChanges } from '@angular/core';
import { type Unit } from 'maplibre-gl';
import * as i0 from "@angular/core";
/**
 * `mglScale` - a scale control directive
 *
 * @category Directives
 *
 * @see [Scale](https://maplibre.org/ngx-maplibre-gl/demo/ngx-scale-control)
 * @see [ScaleControl](https://maplibre.org/maplibre-gl-js/docs/API/classes/ScaleControl)
 */
export declare class ScaleControlDirective implements OnChanges {
    private readonly mapService;
    private readonly controlComponent;
    readonly maxWidth: import("@angular/core").InputSignal<number | undefined>;
    readonly unit: import("@angular/core").InputSignal<Unit | undefined>;
    constructor();
    ngOnChanges(changes: SimpleChanges): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ScaleControlDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ScaleControlDirective, "[mglScale]", never, { "maxWidth": { "alias": "maxWidth"; "required": false; "isSignal": true; }; "unit": { "alias": "unit"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}