import type { SanityPlugin } from './types.js';
export interface EnvFileOptions {
    /**
     * Filenames that ARE allowed to be staged. Defaults to the
     * conventional templates: `.env.example`, `.env.template`,
     * `.env.sample`, `.env.dist`.
     */
    readonly allowlist?: ReadonlyArray<string>;
}
/**
 * Block staged `.env*` files unless they're in the allowlist.
 *
 * @deprecated Superseded by `secretsPlugin`, which adds encryption-
 * aware detection (envx/dotenvx-encrypted env files pass without an
 * allowlist entry) and consolidates with the secret-pattern + plaintext
 * heuristics. Still exported for power users who want fine-grained
 * control over individual sub-checks.
 */
export declare function envFilePlugin(opts?: EnvFileOptions): SanityPlugin;
/** True for any `.env`, `.env.<anything>` filename. */
export declare function isEnvFile(file: string): boolean;
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