import type { SessionAccumulatedUsage } from "../session-manager";
export declare function createInitialAccumulatedUsage(): SessionAccumulatedUsage;
export declare function accumulateUsageTotals(baseline: SessionAccumulatedUsage, usage: {
    inputTokens?: number;
    outputTokens?: number;
    cacheReadTokens?: number;
    cacheWriteTokens?: number;
    totalCost?: number;
}): SessionAccumulatedUsage;
//# sourceMappingURL=usage.d.ts.map