import type { BenchmarkReport, SuiteReport } from '../types.js';
import { Reporter, type ReporterInit } from './reporter.js';
import type { Logger, ILogObj } from 'tslog';
export interface BrowserReporterOptions {
    /**
     * The output format for the benchmark report.
     * - `short`: one-line summary per benchmark, suitable for suite output.
     * - `long`: expanded `console.table` view with all metrics.
     * @default 'short'
     */
    format?: 'short' | 'long';
    /**
     * Thresholds for color-coding the relative margin of error.
     * @default { yellow: 0.05, red: 0.1 }
     */
    rmeColorThresholds?: ColorThresholds;
    /**
     * Thresholds for color-coding the sample standard deviation and margin of error.
     * @default { yellow: 0.01, red: 0.05 }
     */
    stdDevAndMoeColorThresholds?: ColorThresholds;
}
/**
 * Thresholds that determine when a metric value transitions from green → yellow → red
 * in the browser console output. Values are compared as absolute numbers (not percentages).
 *
 * @example
 * // RME of 0.03 is green, 0.07 is yellow, 0.12 is red with the defaults below:
 * { yellow: 0.05, red: 0.1 }
 */
export interface ColorThresholds {
    /** Value at or below this is green; above this (but not above `red`) is yellow. */
    yellow: number;
    /** Value above this is red. */
    red: number;
}
/**
 * A reporter that prints benchmark results to the browser console.
 * Uses CSS-styled `console.log` for short output and `console.group` + `console.table`
 * for the long format. Has no Node.js dependencies.
 */
export declare class BrowserReporter extends Reporter {
    protected options: BrowserReporterOptions;
    protected decFormat0: Intl.NumberFormat;
    protected decFormat4: Intl.NumberFormat;
    protected perFormat: Intl.NumberFormat;
    protected rmeColorThresholds: ColorThresholds;
    protected stdDevAndMoeColorThresholds: ColorThresholds;
    protected namePadding: number;
    protected logger: Logger<ILogObj>;
    constructor(options?: BrowserReporterOptions, logger?: Logger<ILogObj>);
    initialize(init: ReporterInit): Promise<void>;
    run(report: BenchmarkReport | SuiteReport): Promise<void>;
    protected formatName(name: string, group?: string): string;
    protected cssForValue(value: number, thresholds: ColorThresholds): string;
    /**
     * Prints a single-line summary using CSS-styled browser console output.
     * Example: `  My Benchmark:   1,234,567 ops/sec  ± 2.3%  (100 run(s) sampled)`
     */
    protected reportShort(report: BenchmarkReport): void;
    /**
     * Prints an expanded view using `console.group` and `console.table`.
     */
    protected reportLong(report: BenchmarkReport): void;
    /**
     * Validates a benchmark report before rendering it.
     * Logs a `console.error` message describing each violation when the report is invalid.
     *
     * @param report - The report to validate.
     * @returns `true` if the report is valid, `false` otherwise.
     */
    isValidReport(report: BenchmarkReport): boolean;
}
//# sourceMappingURL=browser_reporter.d.ts.map