import { LayerOptions, TileLayerOptions } from '.';
import { BaseLayer } from './index.common';
export declare const TileSubstitutionPolicy: {
    readonly TILE_SUBSTITUTION_POLICY_ALL: com.carto.layers.TileSubstitutionPolicy;
    readonly TILE_SUBSTITUTION_POLICY_VISIBLE: com.carto.layers.TileSubstitutionPolicy;
    readonly TILE_SUBSTITUTION_POLICY_NONE: com.carto.layers.TileSubstitutionPolicy;
};
export declare abstract class Layer<T extends com.carto.layers.Layer, U extends LayerOptions> extends BaseLayer<T, U> {
    visibleZoomRange: [number, number];
    refresh(): void;
}
export declare abstract class TileLayer<T extends com.carto.layers.TileLayer, U extends TileLayerOptions> extends Layer<T, U> {
    preloading: boolean;
    synchronizedRefresh: boolean;
    zoomLevelBias: number;
    maxOverzoomLevel: number;
    maxUnderzoomLevel: number;
    tileSubstitutionPolicy: any;
    clearTileCaches(all: boolean): void;
    getDataSource(): any;
    getProjection(): any;
}