export type CampaignMetricOutcome = {
    readonly kind: "accepted";
    readonly updateId: string;
} | {
    readonly kind: "discarded";
    readonly reason: string;
} | {
    readonly kind: "malformed-response";
    readonly reason: string;
} | {
    readonly kind: "protocol-revert";
    readonly reason: string;
} | {
    readonly kind: "timeout";
    readonly reason: string;
} | {
    readonly kind: "transport-error";
    readonly reason: string;
} | {
    readonly kind: "unknown-commit-outcome";
    readonly reason: string;
};
export interface CampaignMetrics {
    readonly byActor: Readonly<Record<string, Readonly<Record<string, number>>>>;
    readonly byTarget: Readonly<Record<string, Readonly<Record<string, number>>>>;
}
export declare function createCampaignMetrics(): CampaignMetrics;
export declare function recordCampaignAction(metrics: CampaignMetrics, action: {
    readonly actor: string;
    readonly outcome: CampaignMetricOutcome;
    readonly targetKey: string;
}): void;