/**
 * Unicode Text Segmentation (UAX #29)
 * Grapheme cluster and word boundaries
 */
import type { GlyphInfo } from "../types.ts";
/**
 * Grapheme cluster break property
 */
export declare enum GraphemeBreakProperty {
    Other = 0,
    CR = 1,
    LF = 2,
    Control = 3,
    Extend = 4,
    ZWJ = 5,
    Regional_Indicator = 6,
    Prepend = 7,
    SpacingMark = 8,
    L = 9,// Hangul L
    V = 10,// Hangul V
    T = 11,// Hangul T
    LV = 12,// Hangul LV
    LVT = 13,// Hangul LVT
    Extended_Pictographic = 14
}
/**
 * Word break property
 */
export declare enum WordBreakProperty {
    Other = 0,
    CR = 1,
    LF = 2,
    Newline = 3,
    Extend = 4,
    ZWJ = 5,
    Regional_Indicator = 6,
    Format = 7,
    Katakana = 8,
    Hebrew_Letter = 9,
    ALetter = 10,
    Single_Quote = 11,
    Double_Quote = 12,
    MidNumLet = 13,
    MidLetter = 14,
    MidNum = 15,
    Numeric = 16,
    ExtendNumLet = 17,
    WSegSpace = 18,
    Extended_Pictographic = 19
}
/**
 * Get grapheme break property for codepoint
 * @param cp Unicode codepoint to check
 * @returns Grapheme break property for the codepoint
 */
export declare function getGraphemeBreakProperty(cp: number): GraphemeBreakProperty;
/**
 * Get word break property for codepoint
 * @param cp Unicode codepoint to check
 * @returns Word break property for the codepoint
 */
export declare function getWordBreakProperty(cp: number): WordBreakProperty;
/**
 * Grapheme cluster boundary result
 */
export interface GraphemeBoundaries {
    /** Boundary positions (indices where clusters end) */
    boundaries: number[];
    /** Grapheme break properties */
    properties: GraphemeBreakProperty[];
}
/**
 * Find grapheme cluster boundaries in codepoints
 * @param codepoints Array of Unicode codepoints
 * @returns Object containing boundary positions and grapheme break properties
 */
export declare function findGraphemeBoundaries(codepoints: number[]): GraphemeBoundaries;
/**
 * Word boundary result
 */
export interface WordBoundaries {
    /** Boundary positions */
    boundaries: number[];
    /** Word break properties */
    properties: WordBreakProperty[];
}
/**
 * Find word boundaries in codepoints
 * @param codepoints Array of Unicode codepoints
 * @returns Object containing boundary positions and word break properties
 */
export declare function findWordBoundaries(codepoints: number[]): WordBoundaries;
/**
 * Split text into grapheme clusters
 * @param text Text string to split
 * @returns Array of grapheme cluster strings
 */
export declare function splitGraphemes(text: string): string[];
/**
 * Split text into words
 * @param text Text string to split
 * @returns Array of word strings (whitespace-only segments are filtered out)
 */
export declare function splitWords(text: string): string[];
/**
 * Count grapheme clusters in text
 * @param text Text string to analyze
 * @returns Number of grapheme clusters in the text
 */
export declare function countGraphemes(text: string): number;
/**
 * Analyze grapheme boundaries for glyph infos
 * @param infos Array of glyph information objects
 * @returns Object containing boundary positions and grapheme break properties
 */
export declare function analyzeGraphemesForGlyphs(infos: GlyphInfo[]): GraphemeBoundaries;
/**
 * Analyze word boundaries for glyph infos
 * @param infos Array of glyph information objects
 * @returns Object containing boundary positions and word break properties
 */
export declare function analyzeWordsForGlyphs(infos: GlyphInfo[]): WordBoundaries;