import type { DiscoverySource } from "./agent-discovery.js";
/** What changed under a reviewed native discovery witness: a bound source
 * file's projected bytes, or a bound directory's membership. */
export type NativeDiscoveryWitnessKind = "input" | "membership";
/** A reviewed discovery witness no longer matches the current file system. It is
 * drift of something the review bound, never an invalid, missing or unresolvable
 * binding, which keep their own plain errors. The message is unchanged from the
 * plain error each site threw before, so every caller that does not tolerate
 * these sees exactly the same refusal. */
export declare class NativeDiscoveryWitnessChange extends Error {
    readonly kind: NativeDiscoveryWitnessKind;
    /** Canonical path the witness bound, or null when the site names none. */
    readonly path: string | null;
    constructor(kind: NativeDiscoveryWitnessKind, path: string | null, message: string);
}
/** Live Codex prompt hook only. Decides, per changed witness, whether the change
 * is provably one a Codex vendor plugin refresh makes; accepted changes are
 * collected instead of refusing. Every other change still throws. */
export interface NativeDiscoveryWitnessTolerance {
    acceptsInput(source: DiscoverySource): boolean;
    acceptsMembership(path: string): boolean;
    readonly changes: NativeDiscoveryWitnessChange[];
}
/** Throw the change unless an opted-in tolerance accepted it. */
export declare function witnessChanged(change: NativeDiscoveryWitnessChange, tolerance: NativeDiscoveryWitnessTolerance | undefined, accepted: boolean): void;