/**
 * Unicode Line Breaking Algorithm (UAX #14)
 * Determines line break opportunities in text
 */
import type { GlyphInfo } from "../types.ts";
/**
 * Line break class from UAX #14
 */
export declare enum LineBreakClass {
    BK = 0,// Mandatory Break
    CR = 1,// Carriage Return
    LF = 2,// Line Feed
    CM = 3,// Combining Mark
    NL = 4,// Next Line
    SG = 5,// Surrogate (not used)
    WJ = 6,// Word Joiner
    ZW = 7,// Zero Width Space
    GL = 8,// Non-breaking ("Glue")
    SP = 9,// Space
    ZWJ = 10,// Zero Width Joiner
    B2 = 11,// Break Opportunity Before and After
    BA = 12,// Break After
    BB = 13,// Break Before
    HY = 14,// Hyphen
    CB = 15,// Contingent Break Opportunity
    CL = 16,// Close Punctuation
    CP = 17,// Close Parenthesis
    EX = 18,// Exclamation/Interrogation
    IN = 19,// Inseparable
    NS = 20,// Nonstarter
    OP = 21,// Open Punctuation
    QU = 22,// Quotation
    IS = 23,// Infix Numeric Separator
    NU = 24,// Numeric
    PO = 25,// Postfix Numeric
    PR = 26,// Prefix Numeric
    SY = 27,// Symbols Allowing Break After
    AI = 28,// Ambiguous (Alphabetic or Ideographic)
    AL = 29,// Alphabetic
    CJ = 30,// Conditional Japanese Starter
    EB = 31,// Emoji Base
    EM = 32,// Emoji Modifier
    H2 = 33,// Hangul LV Syllable
    H3 = 34,// Hangul LVT Syllable
    HL = 35,// Hebrew Letter
    ID = 36,// Ideographic
    JL = 37,// Hangul L Jamo
    JV = 38,// Hangul V Jamo
    JT = 39,// Hangul T Jamo
    RI = 40,// Regional Indicator
    SA = 41,// Complex Context Dependent (South East Asian)
    XX = 42
}
/**
 * Break action
 */
export declare enum BreakAction {
    Direct = 0,// Direct break opportunity (after space)
    Indirect = 1,// Indirect break (only if spaces intervene)
    CombiningIndirect = 2,// Indirect break for combining marks
    CombiningProhibited = 3,// Prohibited break for combining marks
    Prohibited = 4,// No break allowed
    Explicit = 5
}
/**
 * Line break opportunity
 */
export declare enum BreakOpportunity {
    NoBreak = 0,
    Optional = 1,
    Mandatory = 2
}
/**
 * Get line break class for a codepoint
 */
export declare function getLineBreakClass(cp: number): LineBreakClass;
/**
 * Result of line break analysis
 */
export interface LineBreakAnalysis {
    /** Break opportunities (one per character boundary) */
    breaks: BreakOpportunity[];
    /** Line break classes for each character */
    classes: LineBreakClass[];
}
/**
 * Analyze line break opportunities in text
 */
export declare function analyzeLineBreaks(text: string): LineBreakAnalysis;
/**
 * Analyze line break opportunities from codepoints
 */
export declare function analyzeLineBreaksFromCodepoints(codepoints: number[]): LineBreakAnalysis;
/**
 * Analyze line breaks for glyph infos
 */
export declare function analyzeLineBreaksForGlyphs(infos: GlyphInfo[]): LineBreakAnalysis;
/**
 * Find next line break opportunity
 */
export declare function findNextBreak(analysis: LineBreakAnalysis, startIndex: number): number;
/**
 * Check if break is allowed at position
 */
export declare function canBreakAt(analysis: LineBreakAnalysis, index: number): boolean;
/**
 * Check if break is mandatory at position
 */
export declare function mustBreakAt(analysis: LineBreakAnalysis, index: number): boolean;
/**
 * Get all break opportunities
 */
export declare function getAllBreakOpportunities(analysis: LineBreakAnalysis): number[];