import type { MapSubLayerProps } from "@itwin/core-common";
import type { ITreeDataProvider, TreeNodeItem } from "@itwin/components-react";
export type SubLayersTreeExpandMode = "full" | "rootGroupOnly";
/**
 * Data provider that returns some fake nodes to show in tree.
 */
export declare class SubLayersDataProvider implements ITreeDataProvider {
    private readonly _nodeMap;
    private readonly _expandMode;
    constructor(subLayers: MapSubLayerProps[], expandMode?: SubLayersTreeExpandMode);
    static isUnnamedGroup(subLayer: MapSubLayerProps | undefined): boolean;
    private createId;
    private createNode;
    private loadChildNodes;
    private loadNodes;
    getNodesCount(parent?: TreeNodeItem): Promise<number>;
    getNodes(parent?: TreeNodeItem): Promise<TreeNodeItem[]>;
}
//# sourceMappingURL=SubLayersDataProvider.d.ts.map