import { type FetchLike } from '../domain/mcp/feishu/user-auth.js';
export interface CliResult {
    exitCode: number;
    stdout: string;
    stderr: string;
}
/** Injectable seams so the dispatcher is testable without real stdin/network/CONFIG_DIR. */
export interface FeishuCliDeps {
    env?: NodeJS.ProcessEnv;
    prompt?: (question: string) => Promise<string>;
    now?: () => number;
    tokenFile?: string;
    fetchImpl?: FetchLike;
    /** Injectable wait used by the device-flow poll (defaults to setTimeout). */
    sleep?: (ms: number) => Promise<void>;
    /** When true (default), merge CONFIG_DIR/.env into env so credentials are available. */
    loadDotenv?: boolean;
    /** dotenv file that a successful login flips to FEISHU_AUTH_MODE=user (default: CONFIG_DIR/.env). */
    envFile?: string;
}
/**
 * Idempotently set KEY=value in a dotenv file: rewrite the line if KEY already
 * exists, append it otherwise, creating the file (and parent dir) when missing.
 * The rest of the file is preserved so hand-written credentials stay intact.
 */
export declare function upsertEnvVar(file: string, key: string, value: string): void;
export declare function getFeishuHelp(): string;
export declare function cmdFeishu(args: string[], deps?: FeishuCliDeps): Promise<CliResult>;