import type { SpotlightMemoryEntry, SpotlightMemoryInvalidationContext } from "@inupedia/spotlight-protocol";
export declare function isMemoryEntryStale(entry: SpotlightMemoryEntry, ctx: SpotlightMemoryInvalidationContext, now?: number): boolean;
export declare function pickSemanticHit<T extends {
    entry: SpotlightMemoryEntry;
    score: number;
}>(candidates: T[], threshold: number): T | null;
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