export type AnchorEntry = {
    path: string;
    content: string;
    mtime?: number;
};
export declare class AnchorStore {
    private cache;
    cacheRead(path: string, content: string, mtime?: number): void;
    get(path: string): AnchorEntry | undefined;
    /**
     * Require `anchor` to occur exactly once in the cached content for `path`.
     * Returns the matched span (the anchor itself) on success, or an error
     * reason when the cache is missing, the anchor is absent, or it is ambiguous.
     */
    resolveAnchor(path: string, anchor: string): {
        oldString: string;
    } | {
        error: string;
    };
    /** Replace the cached content for `path` (e.g. after a successful edit). */
    update(path: string, content: string): void;
    invalidate(path: string): void;
    clear(): void;
}
export declare function anchorsEnabled(): boolean;
/** Test-only: clear the boot latch so the next call re-reads the env. */
export declare function __resetAnchorsLatchForTesting(): void;
//# sourceMappingURL=anchors.d.ts.map