import type { Fn, Mod } from "./types";
/**
 * Type guard to check if the current scope is a SharedWorkerGlobalScope.
 *
 * @param scope - The global scope to check.
 * @returns True if the scope is a SharedWorkerGlobalScope.
 */
export declare function isSharedWorker(scope: unknown): scope is SharedWorkerGlobalScope;
/**
 * Type guard to check if the current scope is a DedicatedWorkerGlobalScope.
 *
 * @param scope - The global scope to check.
 * @returns True if the scope is a DedicatedWorkerGlobalScope.
 */
export declare function isDedicatedWorker(scope: unknown): scope is DedicatedWorkerGlobalScope;
/**
 * Type guard to check if the current scope is a ServiceWorkerGlobalScope.
 *
 * @param scope - The global scope to check.
 * @returns True if the scope is a ServiceWorkerGlobalScope.
 */
export declare function isServiceWorker(scope: unknown): scope is ServiceWorkerGlobalScope;
/**
 * Retrieves a function from a module object using a path array.
 *
 * @template O - The module type.
 * @param obj - The module object to search.
 * @param path - An array of keys representing the path to the function.
 * @returns The function or module at the specified path, or undefined if not found.
 *
 * @example
 * ```ts
 * const mod = { api: { getUser: () => {} } };
 * const fn = getFunction(mod, ["api", "getUser"]);
 * ```
 */
export declare function getFunction<O extends Mod<any>>(obj: O, path: Array<string>): Mod<any> | Fn<any, any> | undefined;