import type { JourneyState } from './types';
/** Per-endpoint request policy (app-wide or per-journey). Longest matching prefix wins. */
export interface EndpointPolicy {
    /**
     * Path/host prefix against the request key (`"/path"` same-origin, `"host/path"` cross-domain).
     * Match requires an exact hit or a `/` boundary after the prefix — `/api/user` matches
     * `/api/user` and `/api/user/42`, but not `/api/user-preferences`. A trailing `/` on
     * `match` already supplies the boundary.
     */
    match: string;
    /** Custom slow-request threshold in ms; omit to fall through. `0` disables latency scoring for this prefix. */
    slowRequestMs?: number;
    /** When true, this endpoint never changes the journey verdict (errors, latency, aborts, 4xx). */
    ignore?: boolean;
}
/** App-wide slow-request threshold fallback (not an axios abort). */
export interface SlowRequestConfig {
    /** Fallback threshold when no endpoint or journey override applies. */
    defaultMs: number;
    /** App-wide endpoint overrides; journey-specific ones belong on JourneyDef.endpoints. */
    endpoints?: readonly EndpointPolicy[];
}
export interface ResolvedEndpointPolicy {
    ignore: boolean;
    slowRequestMs: number;
}
/** Copy sorted longest-match-first so lookup can return on the first hit. */
export declare function sortEndpointsByLongestMatch(endpoints: readonly EndpointPolicy[] | undefined): EndpointPolicy[] | undefined;
/**
 * Longest-prefix match of an endpoint list against a request key.
 * Expects `endpoints` sorted longest-match-first (see `sortEndpointsByLongestMatch`).
 */
export declare function longestEndpointMatch(endpoints: readonly EndpointPolicy[] | undefined, key: string): EndpointPolicy | undefined;
/**
 * Resolve ignore + latency threshold with longest-prefix matching.
 * Journey overrides win over app defaults for slow thresholds.
 */
export declare function resolveEndpointPolicy(journey: JourneyState, appSlow: SlowRequestConfig, requestKey: string): ResolvedEndpointPolicy;
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