import type { PlanReporter, PlanRunStartContext, RunArtifacts } from "./plan-reporter.js";
import type { EvalSummary, RunSummary, ScopedDiagnostic, TrialResult, TrialWorkItem } from "../pipeline/plan.js";
export interface EvalMarkdownReporterOptions {
    /** Full path to the output markdown file. */
    outputPath: string;
}
export declare class EvalMarkdownReporter implements PlanReporter {
    private readonly outputPath;
    private readonly sections;
    private readonly sectionByKey;
    private readonly runLevelDiagnostics;
    private readonly capturedTrials;
    constructor(options: EvalMarkdownReporterOptions);
    onRunStart(ctx: PlanRunStartContext): Promise<void>;
    onTrialStart(item: TrialWorkItem): Promise<void>;
    onTrialResult(event: {
        item: TrialWorkItem;
        result: TrialResult;
    }): Promise<void>;
    onDiagnostics(diagnostics: ScopedDiagnostic[]): Promise<void>;
    onEvalComplete(summary: EvalSummary): Promise<void>;
    onRunComplete(_summary: RunSummary, _artifacts: RunArtifacts): Promise<void>;
    /** Generate the full markdown string. Exposed for testing. */
    generate(): string;
    private appendSection;
    /** True when the report spans more than one distinct variant name.
     *  Used to decide whether to surface the variant tag in section
     *  headings (suppressed for single-variant runs, which is every
     *  plain `vally eval` invocation). Cheap O(n) early-exit scan;
     *  callers (currently `generate()`) should compute it once per
     *  render rather than per section. */
    private hasMultipleVariants;
    private appendDiagnosticBlock;
    private appendSectionTable;
    private buildRow;
    private buildSingleTrialRow;
    private buildMultiTrialRow;
    private appendSectionFooter;
}
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