/** Stable agent-facing error codes for Delx MCP servers. */
export declare const ERROR_CODES: {
    readonly USER_ACTION_REQUIRED: "USER_ACTION_REQUIRED";
    readonly AUTH_REQUIRED: "AUTH_REQUIRED";
    readonly RATE_LIMITED: "RATE_LIMITED";
    readonly UPSTREAM_UNAVAILABLE: "UPSTREAM_UNAVAILABLE";
    readonly INVALID_INPUT: "INVALID_INPUT";
    readonly NOT_FOUND: "NOT_FOUND";
};
export type ErrorCode = (typeof ERROR_CODES)[keyof typeof ERROR_CODES];
export declare function userActionRequired(message: string): Error;
export declare function authRequired(message?: string): Error;
export declare function isUserActionRequired(error: unknown): boolean;
//# sourceMappingURL=errors.d.ts.map