import type { ErrorClass, OperationId } from './events/types.js';
export type FaultLink = 'pi→provider' | 'viewer↔broker' | 'relay↔broker' | 'browser↔relay' | 'cli→exa' | 'daemon→node' | 'crtr→pi';
export type FaultKind = 'rate-limit' | 'overloaded' | 'connection' | 'auth' | 'protocol' | 'context-overflow' | 'other' | 'wedged' | 'model-not-found';
export type FaultRetryDisposition = 'auto' | 'manual' | 'fatal';
export type FaultRetryOwner = 'sdk' | 'daemon' | 'client';
export interface FaultRetry {
    disposition: FaultRetryDisposition;
    by?: FaultRetryOwner;
    attempt?: number;
    max?: number;
    nextAt?: string;
}
export interface Fault {
    link: FaultLink;
    op: string;
    kind: FaultKind;
    retry: FaultRetry;
    message: string;
    since: string;
    operation_id: OperationId;
    anchorEntryId?: string;
}
export interface FaultClassification {
    kind: FaultKind;
    disposition: FaultRetryDisposition;
}
export declare function errorClassFromFault(fault: Pick<Fault, 'kind' | 'retry'>): ErrorClass;
export interface FaultErrnoLike {
    code?: unknown;
    errno?: unknown;
    message?: unknown;
}
export interface FaultHttpLike {
    status?: unknown;
    statusText?: unknown;
    ok?: unknown;
    message?: unknown;
}
export interface FaultWsCloseLike {
    code?: unknown;
    reason?: unknown;
}
export declare function classify(link: FaultLink, raw: unknown): FaultClassification;