import { CampaignMetricOutcome } from "./campaign-metrics.js";
export interface CampaignModel<Ledger, Ghost> {
    readonly ghost: Ghost;
    readonly ledger: Ledger;
}
export declare function createCampaignModel<Ledger, Ghost>(init: {
    readonly ghost: Ghost;
    readonly ledger: Ledger;
}): CampaignModel<Ledger, Ghost>;
export declare function reconcileCampaignModel<Ledger, Ghost>(model: CampaignModel<Ledger, Ghost>, ledger: Ledger): CampaignModel<Ledger, Ghost>;
export declare function applyAcceptedGhostTransition<Ledger, Ghost>(model: CampaignModel<Ledger, Ghost>, outcome: CampaignMetricOutcome, transition: (ghost: Ghost) => Ghost): CampaignModel<Ledger, Ghost>;