import { AnyLayer } from "../../types";
import { Group } from "../components";
/**
 * Interface representing the LayersManager.
 */
export interface ILayersManager {
    /**
     * A map storing layers or groups with their IDs as keys.
     */
    map: Map<string, AnyLayer | Group>;
    /**
     * Whether debugging is enabled.
     */
    debug: boolean;
}
/**
 * Class representing a manager for handling layers and groups.
 */
export declare class LayersManager implements ILayersManager {
    /**
     * A map storing layers or groups with their IDs as keys.
     */
    map: Map<string, AnyLayer | Group>;
    /**
     * Whether debugging is enabled.
     */
    debug: boolean;
    /**
     * Constructs a new LayersManager instance.
     * @param opts {Object} - Optional settings for the LayersManager.
     * @param opts.debug {boolean} - Whether debugging is enabled.
     */
    constructor(opts?: {
        debug?: boolean;
    });
    /**
     * Adds layers or groups to the map.
     * @param layers {Array<AnyLayer | Group>} - The layers or groups to add to the map.
     * @returns {this} The current instance for chaining.
     * @throws {LazyError} If a layer with the same ID already exists.
     */
    add(...layers: Array<AnyLayer | Group>): this;
    /**
     * Removes layers or groups from the map by their IDs.
     * @param ids {string[]} - The IDs of the layers or groups to remove.
     * @returns {this} The current instance for chaining.
     */
    remove(...ids: string[]): this;
    /**
     * Clears all layers and groups from the map.
     * @returns {this} The current instance for chaining.
     */
    clear(): this;
    /**
     * Retrieves a layer or group from the map by its ID.
     * @param id {string} - The ID of the layer or group to retrieve.
     * @param cross {boolean} - Whether to search within groups for the ID.
     * @returns {AnyLayer | Group | undefined} The retrieved layer or group, or undefined if not found.
     */
    get(id: string, cross?: boolean): AnyLayer | Group | undefined;
    /**
     * Checks if a layer or group exists in the map by its ID.
     * @param id {string} - The ID of the layer or group to check.
     * @returns {boolean} True if the layer or group exists, false otherwise.
     */
    has(id: string): boolean;
    /**
     * Retrieves the number of layers and groups in the map.
     * @returns {number} The size of the map.
     */
    size(): number;
    /**
     * Retrieves the values (layers and groups) from the map.
     * @returns {IterableIterator<AnyLayer | Group>} An iterator for the map values.
     */
    values(): IterableIterator<AnyLayer | Group>;
    /**
     * Retrieves the keys (IDs) from the map.
     * @returns {IterableIterator<string>} An iterator for the map keys.
     */
    keys(): IterableIterator<string>;
    /**
     * Retrieves the entries (key-value pairs) from the map.
     * @returns {IterableIterator<[string, AnyLayer | Group]>} An iterator for the map entries.
     */
    entries(): IterableIterator<[string, AnyLayer | Group]>;
    /**
     * Executes a callback function for each layer or group in the map.
     * @param callbackfn {Function} - The callback function to execute.
     * @returns {this} The current instance for chaining.
     */
    forEach(callbackfn: (value: AnyLayer | Group, key: string, map: Map<string, AnyLayer | Group>) => void): this;
    /**
     * Converts the map to a JSON object.
     * @returns {object} The JSON representation of the map.
     */
    toJSON(): object;
    /**
     * Populates the map from a JSON object.
     * @param json {object} - The JSON object to populate the map from.
     * @returns {this} The current instance for chaining.
     */
    fromJSON(json: object): this;
    /**
     * Converts the map to an array of layers and groups.
     * @returns {Array<AnyLayer | Group>} An array of layers and groups.
     */
    toArray(): Array<AnyLayer | Group>;
    /**
     * Populates the map from an array of layers and groups.
     * @param array {Array<AnyLayer | Group>} - The array of layers and groups to populate the map from.
     * @returns {this} The current instance for chaining.
     */
    fromArray(array: Array<AnyLayer | Group>): this;
    /**
     * Sorts the layers and groups in the map by their zIndex property.
     * @returns {void}
     */
    sort(): void;
    /**
     * Searches for a layer or group by its ID, including within groups.
     * @param id {string} - The ID of the layer or group to search for.
     * @returns {AnyLayer | Group | undefined} The found layer or group, or undefined if not found.
     */
    private crossSearch;
}