import { Campaign } from '../models/Campaign.js';
import { BudgetPacingResult } from '../types.js';
export interface BudgetPacingEvidence {
    spendCents: number;
    snapshotCount: number;
    usedCampaignRollups: boolean;
}
/** Canonical campaign pacing calculation for grouped and row-level evidence. */
export declare function calculateCampaignPacing(campaign: Campaign, evidence: BudgetPacingEvidence, at?: Date): BudgetPacingResult;
export declare function calculatePacing({ campaign, evidence, budgetCents, startAt, endAt, at, }: {
    campaign: Campaign;
    evidence: BudgetPacingEvidence;
    budgetCents: number;
    startAt: Date | null;
    endAt: Date | null;
    at: Date;
}): BudgetPacingResult;
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