import type { Vector3 } from '@holoscript/core';
/**
 * AttentionEngine
 *
 * Implements a heuristic-driven spatial culling and attention
 * scoring system to avoid O(N^2) perception processing.
 */
export interface AttendedEntity {
    id: string;
    position: [number, number, number];
    velocity?: Vector3;
    saliencyBase?: number;
}
export interface AttentionScore {
    entityId: string;
    weight: number;
}
export declare class AttentionEngine {
    /**
     * Calculates the attention weight of a target entity relative to an observer.
     * Incorporates 4 factors: Proximity, Movement, Base Saliency, and Recency (mocked).
     */
    static calculateWeight(observerPos: Vector3, target: AttendedEntity): number;
    /**
     * Filters a massive array of entities down to strictly the top K most attended
     * objects around the observer to save inference/rendering payload.
     */
    static getTopKEntities(observerPos: Vector3, entities: AttendedEntity[], k: number): string[];
}
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