import type { SvelteMarkdownOptions } from '../types.js';
import type { Token } from './markdown-parser.js';
export interface StreamBenchmarkResult {
    totalChars: number;
    chunkCount: number;
    totalParseMs: number;
    peakParseMs: number;
    p95ParseMs: number;
    finalTokens: Token[];
    parseDurationsMs: number[];
}
/**
 * Benchmarks incremental parsing performance by simulating streaming chunk appends.
 *
 * @param chunks - Array of string chunks to append sequentially
 * @param options - SvelteMarkdown parser options forwarded to IncrementalParser
 * @returns Benchmark results including per-chunk timing, peak, and p95 parse durations
 *
 * @example
 * ```ts
 * const chunks = ['# Hello ', 'world, ', 'this is a test.']
 * const result = benchmarkAppendStream(chunks, { gfm: true })
 * console.log(result.p95ParseMs, result.peakParseMs)
 * ```
 */
export declare const benchmarkAppendStream: (chunks: string[], options: SvelteMarkdownOptions) => StreamBenchmarkResult;