/**
 * CLI for OAuth2 authentication (Device Code flow) + local session logout.
 *
 * Usage:
 *   npx @n24q02m/better-email-mcp auth [outlook] user@outlook.com [--client-id=<id>]
 *   npx @n24q02m/better-email-mcp logout [user@outlook.com]
 *
 * The leading `outlook` provider positional is optional (email has a single
 * OAuth2 provider today) -- kept for CLI naming parity with wet/mnemo's
 * `auth <provider>` and telegram's `auth [<provider>]`, per the WS5 CLI/auth
 * naming standard. `--client-id` is single-user / local-machine only, same
 * scope as the rest of this CLI (per tool-layout.md CLI Surface invariants).
 */
export declare function runAuth(): Promise<void>;
export declare function runLogout(): Promise<void>;
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