import type { AtomicTextRange } from './index.js';
export interface SentenceUnit {
    text: string;
    atomic: boolean;
    sourceStart: number;
    sourceEnd: number;
}
/**
 * Split text into sentences using Intl.Segmenter
 *
 * Uses the Unicode Text Segmentation standard (UAX #29) via Intl.Segmenter.
 * This provides multilingual support for sentence boundary detection.
 *
 * Note: Intl.Segmenter may split on abbreviations like "Mr." or "e.g."
 * These edge cases are acceptable for semantic chunking as:
 * 1. Short fragments will be grouped with adjacent sentences by similarity
 * 2. Fragments below minChunkLength are filtered out
 *
 * @param text - The text to split into sentences
 * @returns Array of sentences
 */
export declare function splitIntoSentences(text: string): string[];
/**
 * Split ordinary text while preserving the supplied positional ranges as
 * indivisible sentence units.
 */
export declare function splitIntoSentenceUnits(text: string, atomicRanges?: readonly AtomicTextRange[]): SentenceUnit[];
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