import type { RpcException } from '@nestjs/microservices';
export declare enum RpcErrorCode {
    NOT_FOUND = "NOT_FOUND",
    CONFLICT = "CONFLICT",
    BAD_REQUEST = "BAD_REQUEST",
    UNAUTHORIZED = "UNAUTHORIZED",
    FORBIDDEN = "FORBIDDEN",
    INTERNAL_ERROR = "INTERNAL_ERROR",
    TIMEOUT = "TIMEOUT",
    VALIDATION_ERROR = "VALIDATION_ERROR"
}
export interface RpcErrorPayload {
    code: RpcErrorCode;
    message: string;
    httpStatus?: number;
    details?: unknown;
}
export declare const RpcNotFound: (m?: string, d?: unknown) => RpcException;
export declare const RpcConflict: (m?: string, d?: unknown) => RpcException;
export declare const RpcBadRequest: (m?: string, d?: unknown) => RpcException;
export declare const RpcUnauthorized: (m?: string, d?: unknown) => RpcException;
export declare const RpcForbidden: (m?: string, d?: unknown) => RpcException;
export declare const RpcInternalError: (m?: string, d?: unknown) => RpcException;
export declare const RpcValidationError: (m?: string, d?: unknown) => RpcException;
export declare const RpcTimeout: (m?: string, d?: unknown) => RpcException;
/**
 * Estrae il payload RPC tipizzato da un errore propagato via NATS (lato gateway/consumer).
 * Tollera le varie forme in cui il payload puo' arrivare (err.message oggetto, err.response,
 * err.error). Ritorna undefined se non e' un payload del contratto.
 */
export declare function extractRpcPayload(err: any): RpcErrorPayload | undefined;
//# sourceMappingURL=rpc.d.ts.map