import type { ContextItem, DroppedItem } from '../types';
export interface PackDecision {
    included: ContextItem[];
    dropped: DroppedItem[];
    totalTokens: number;
}
/**
 * Greedy knapsack packer.
 *
 * 1. Include all required items unconditionally.
 * 2. Sort remaining items by score descending.
 * 3. Greedily add items until the budget is exhausted.
 * 4. Record dropped items with reasons.
 */
export declare function greedyPack(items: ContextItem[], budget: number): PackDecision;