import { Config } from "../config";
import type { ConfigEvaluationMetadata, ConfigEvaluationCounter } from "../types";
import type { Quonfig } from "../quonfig";
/**
 * Massage the selected value into the format expected by the telemetry API.
 */
export declare const massageSelectedValue: (config: Config) => any;
/**
 * Build a telemetry counter entry for a config evaluation.
 */
export declare const massageConfigForTelemetry: (config: Config, metadata: Omit<ConfigEvaluationMetadata, "configType">) => ConfigEvaluationCounter;
/**
 * Collects evaluation summaries for the live telemetry window. The reporter
 * (./reporter.ts) owns the tick timer and drains this once per tick.
 *
 * Bounded (P6): at most `maxKeys` distinct (key, configType) pairs per
 * window; a new key beyond the cap is not recorded (drop newest), while keys
 * already in the window keep counting.
 */
export declare class EvaluationSummaryAggregator {
    data: Map<string, ConfigEvaluationCounter>;
    private client;
    private maxKeys;
    private startAt;
    private enabled;
    constructor(client: Quonfig, maxKeys: number);
    record(config: Config): void;
    /** Stop recording and clear the window (telemetry disabled, P3). */
    disable(): void;
    /**
     * Close the live window: serialize it once and reset. Returns undefined for
     * an empty window. This is the only serialization; the transport queue
     * stores and resends these exact bytes (P5, P9).
     */
    drain(): string | undefined;
    private static buildSummaries;
    private buildEvents;
}