/**
 * ext-eval-report-mlflow: MLflow Tracking transport for eval report exports.
 *
 * The extension resolves the core `EvalReportExporterRegistry` contract during
 * setup and registers one `EvalReportExporter` that writes a completed
 * Veryfront `EvalReport` to MLflow as a run.
 *
 * @module extensions/ext-eval-report-mlflow
 */
import type { EvalReport } from "../../../src/eval/index.js";
import type { ExtensionFactory } from "../../../src/extensions/index.js";
import { type EvalReportExportContext, type EvalReportExporter, type EvalReportExportReceipt } from "../../../src/extensions/eval/index.js";
type EvalReportMlflowFetch = (input: string | URL | Request, init?: RequestInit) => Promise<Response>;
export interface EvalReportMlflowExtensionConfig {
    trackingUri?: string;
    artifactsPort?: string | number;
    artifactsUri?: string;
    experimentName?: string;
    runName?: string;
    trackingToken?: string;
    trackingUsername?: string;
    trackingPassword?: string;
    oauthTokenUrl?: string;
    oauthClientId?: string;
    oauthClientSecret?: string;
    oauthScope?: string;
    exportArtifacts?: boolean;
    /** Bounded per-request timeout. Defaults to 10 seconds. */
    requestTimeoutMs?: number;
    /** Number of retries for safe requests. Defaults to 2 (three total attempts). */
    retryAttempts?: number;
    /** Initial retry delay. Defaults to 250 ms and uses exponential backoff. */
    retryDelayMs?: number;
    /**
     * Optional web UI URL template. It must include `{experimentId}` and
     * `{runId}` and may include `{trackingUri}`.
     */
    runUrlTemplate?: string;
    fetch?: EvalReportMlflowFetch;
}
export interface MlflowArtifactUploadResult {
    artifactPath: string;
    uploadUrl: string;
}
type TrackingCredentialSource = "configuration" | "environment";
export declare class EvalReportMlflowExporter implements EvalReportExporter {
    readonly id: string;
    private readonly config;
    private readonly fetchImpl;
    constructor(config: EvalReportMlflowExtensionConfig & {
        id: string;
        trackingUri: string;
    }, fetchImpl?: EvalReportMlflowFetch, trackingCredentialSource?: TrackingCredentialSource);
    export(report: EvalReport, context: EvalReportExportContext): Promise<EvalReportExportReceipt>;
}
export declare function createEvalReportMlflowExporter(config: EvalReportMlflowExtensionConfig & {
    trackingUri: string;
}, fetchImpl?: EvalReportMlflowFetch): EvalReportMlflowExporter;
declare const extEvalReportMlflow: ExtensionFactory;
export default extEvalReportMlflow;
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