import { SpawnCostEstimate, SubAgentSpawnRequest } from '../types.js';
export declare class CostAwareSpawner {
    /** Estimate cost + recommendation for a planned sub-agent spawn. */
    estimate(req: SubAgentSpawnRequest, desiredModel?: string): SpawnCostEstimate;
}
export declare function getCostAwareSpawner(): CostAwareSpawner;
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