declare class NodeHelpers {
    constructor();
    loadEnv(envPath?: string, tryFromHome?: boolean): NodeJS.ProcessEnv;
    getEnvOrDefault<T = string>(key: string, fallback?: T): T | undefined;
    getCurrentModuleMeta(): CjsModule | EsmImportMeta;
    handleSelfExecution(callback: () => Promise<void> | void): void;
    isExecutedDirectly(moduleOrMeta: CjsModule | EsmImportMeta): boolean;
}
interface CjsModule {
    filename: string;
}
interface EsmImportMeta {
    url: string;
}
export declare const nodeHelpers: NodeHelpers;
export {};