import type { ResolvedSecret } from '@struktoai/mirage-core/secrets/types';
import type { DotenvConfig } from './config.ts';
/**
 * Read one dotenv file as one secret: the file's key=value pairs as
 * fields. `ref` is the host filesystem path of the file; empty falls
 * back to `config.path`. A missing file is a SecretsError naming the
 * path. Values are taken verbatim: `dotenv.parse` never interpolates,
 * and Python passes `interpolate=False` to match, so a `${NAME}` in a
 * value stays literal in both languages instead of copying a host
 * variable into a secret.
 */
export declare function fetchDotenv(config: DotenvConfig, ref: string): Promise<ResolvedSecret>;
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