import { LayerField, LayerGeometryType, LayerService } from './layer-service';
export declare class GeoJSONLayerService extends LayerService {
    layer: any;
    constructor(layer: any);
    getGeometryType(): Promise<LayerGeometryType>;
    getFields(): Promise<LayerField[]>;
    getMinMaxValue(field: string): Promise<{
        min: number;
        max: number;
    }>;
    getUniqueValues(field: string): Promise<any[]>;
}
