/**
 * Single status field shared by every auth type's stored credential.
 *
 * OAuth values (``REFRESH_FAILED``, ``REVOKED``) are written by the OAuth
 * token-manager refresh path. ``CREDENTIAL_INVALID`` is written by the
 * tool execution path when an upstream response matches a credential's
 * ``failure_signatures`` entry (Bearer, Basic auth, etc.).
 */
export declare const AuthConnectionStatus: {
    readonly Active: "active";
    readonly RefreshFailed: "refresh_failed";
    readonly Revoked: "revoked";
    readonly CredentialInvalid: "credential_invalid";
};
export type AuthConnectionStatus = (typeof AuthConnectionStatus)[keyof typeof AuthConnectionStatus];