export declare class BehavioralIndex {
    private counts;
    private maxCount;
    private dirty;
    private _loaded;
    private _saveTimer;
    get isLoaded(): boolean;
    load(): Promise<void>;
    save(): Promise<void>;
    /** Record an interaction with a node key (e.g. "person:alice-chen"). */
    record(key: string): void;
    /** Record interactions for multiple keys at once. */
    recordMany(keys: string[]): void;
    /** Get a normalized [0, 1] behavioral score for a node key. */
    getScore(key: string): number;
    /** Get raw interaction count for a node key. */
    getCount(key: string): number;
    private _scheduleSave;
}
export declare function getBehavioralIndex(): BehavioralIndex;
export declare function resetBehavioralIndex(): void;
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