export declare const AgentErrorCode: {
    readonly SESSION_NOT_FOUND: "SESSION_NOT_FOUND";
    readonly SESSION_HISTORY_FULL: "SESSION_HISTORY_FULL";
    readonly SESSION_BUSY: "SESSION_BUSY";
    readonly INVALID_SESSION_STATE: "INVALID_SESSION_STATE";
    readonly CONVERSATION_NOT_FOUND: "CONVERSATION_NOT_FOUND";
    readonly INPUT_REQUIRED: "INPUT_REQUIRED";
    readonly INVALID_BODY: "INVALID_BODY";
    readonly TEMPORAL_UNAVAILABLE: "TEMPORAL_UNAVAILABLE";
    readonly NOT_APPLICABLE_IN_MULTI_AGENT_MODE: "NOT_APPLICABLE_IN_MULTI_AGENT_MODE";
    readonly INTERNAL_ERROR: "INTERNAL_ERROR";
};
export type AgentErrorCode = (typeof AgentErrorCode)[keyof typeof AgentErrorCode];
/**
 * Build a structured error response. `error` and `code` are canonical;
 * `extra` may carry hint fields like `retryAfterMs` or `limitBytes` but
 * cannot override the canonical fields.
 */
export declare function agentErrorResponse(code: AgentErrorCode, message: string, extra?: Record<string, unknown>): {
    error: string;
    code: AgentErrorCode;
} & Record<string, unknown>;
//# sourceMappingURL=errors.d.ts.map