import { type ConfigLayer } from "../config.js";
export interface NodeConfigFile {
    readonly name: string;
    readonly path: string;
    readonly optional?: boolean;
}
export declare function defaultUserConfigPath(appName?: string): string;
export declare function readConfigFile(path: string): Promise<ConfigLayer["config"]>;
export declare function loadConfigFiles(files: readonly NodeConfigFile[]): Promise<ConfigLayer[]>;
export declare function isNodeErrorCode(error: unknown, code: string): boolean;