import type { BillingKnowledge, CostEvidence, CostKnowledge } from "@claudexor/schema";
export declare const UNKNOWN_COST: CostEvidence;
export declare function routeCostEvidence(input: {
    billing?: BillingKnowledge;
    knowledge?: CostKnowledge;
    source: string;
    provenance: string[];
    estimatedUsd?: number | null;
}): CostEvidence;
export declare function attemptCostEvidence(harnessId: string, attemptId: string, estimatedUsd?: number, billing?: BillingKnowledge, processingCost?: CostEvidence): CostEvidence;
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