import { Context } from 'apprt-core/TreeWalker';
import Collection from '@arcgis/core/core/Collection';
import Layer from '@arcgis/core/layers/Layer';
import Sublayer from '@arcgis/core/layers/support/Sublayer';
import WMSSublayer from '@arcgis/core/layers/support/WMSSublayer';
import Map from '@arcgis/core/Map';

interface LayerTraverser {
    traverse(localOptions?: Partial<LayerTraverserOptions>): void;
}
type LayerLike = Layer | Sublayer | WMSSublayer | Map | {
    layers: LayerNode[] | Collection<LayerNode>;
};
type LayerNode = LayerLike & {
    children?: any;
};
interface LayerTraverserOptions {
    map: Map;
    layer: LayerNode;
    layers: LayerNode[] | Collection<LayerNode>;
    includeRoot: boolean;
    filter(layer: LayerNode, context: Context<LayerNode>): boolean | VisitCodes;
    action(layer: LayerNode, context: Context<LayerNode>): void;
}
declare enum VisitCodes {
    TERMINATE = "TERMINATE",
    SKIP_SUBTREE = "SKIP_SUBTREE"
}
declare function createLayerTraverser(globalOpts?: Partial<LayerTraverserOptions>): LayerTraverser;

export { VisitCodes, createLayerTraverser, createLayerTraverser as default };
export type { LayerNode, LayerTraverser, LayerTraverserOptions };