import { type FoundryRequestDiagnostic } from "../protocols/foundry-execution-evidence.js";
/**
 * Classify exact transport codes, not error text. Only bounded, own data fields
 * in known error envelopes are visited; getters, names, request data and raw
 * errors are never copied. Unknown exposure stays unknown regardless of output.
 */
export declare function classifyFoundryTransportFailure(error: unknown, phase: FoundryRequestDiagnostic["phase"]): FoundryRequestDiagnostic;