/**
 * Load .env file values as a map
 */
export declare function loadEnvValues(rootDir: string): Map<string, string>;
/**
 * Load .env file as a record (for pushing to GitHub)
 */
export declare function loadEnvRecord(rootDir: string): Record<string, string>;
export interface SyncResult {
    added: string[];
    removed: string[];
    preserved: string[];
    structureUpdated: boolean;
}
/**
 * Sync .env with .env.example template
 * - Preserves existing values
 * - Adds new fields from template
 * - Removes deprecated fields not in template
 * - Updates structure (comments, annotations) from template
 */
export declare function syncEnvFile(rootDir: string): SyncResult;
/**
 * Update a single variable in .env file
 */
export declare function updateEnvVariable(rootDir: string, key: string, value: string): void;
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