import type { TaskOutcome as CoreTaskOutcome } from "@sema-agent/core";
/** The one write verb every outcome sink (TiDB/Pg ledger adapters + this File twin) exposes to main.ts,
 *  plus the OPTIONAL read aggregate backing `GET /v1/outcomes` (P2) — present on the SQL ledgers (their
 *  existing per-(signature, model) summary); absent here (the JSONL file IS the local dataset — a dashboard
 *  reads the file, the endpoint 501s honestly). */
export interface OutcomeSink {
    recordCore(o: CoreTaskOutcome): Promise<void>;
    summary?(opts?: {
        taskSignature?: string;
        includeAborted?: boolean;
    }): Promise<Array<{
        taskSignature: string;
        model: string;
        n: number;
        passRate: number;
        meanCostMicroUsd: number;
    }>>;
}
export declare class FileOutcomeSink implements OutcomeSink {
    private readonly path;
    constructor(root: string);
    recordCore(o: CoreTaskOutcome): Promise<void>;
}
//# sourceMappingURL=file-outcome-sink.d.ts.map