import type { OptimizeDecision } from "./types.js";
export type MutationHistoryEntry = {
    iter: number;
    decision: Exclude<OptimizeDecision, "baseline">;
    /** Suite wins for the champion (side A). */
    winsA: number;
    /** Suite wins for the candidate (side B). */
    winsB: number;
    rationale: string;
    operations: {
        target: string;
        op: string;
    }[];
    lossReasons: string[];
};
export declare function buildMutationHistory(entries: MutationHistoryEntry[]): string;