import { type ClassDef } from "../../layout/structures/class-def.ts";
import type { GlyphId, uint16 } from "../../types.ts";
import { GlyphClass } from "../../types.ts";
import type { Reader } from "../binary/reader.ts";
/** Attach point for a glyph */
export interface AttachPoint {
    pointIndices: uint16[];
}
/** Ligature caret for a ligature glyph */
export interface LigatureCaret {
    caretValues: number[];
}
/** Mark glyph sets */
export interface MarkGlyphSets {
    /** Check if glyph is in mark set */
    has(setIndex: number, glyphId: GlyphId): boolean;
}
/** Glyph Definition table */
export interface GdefTable {
    version: {
        major: number;
        minor: number;
    };
    /** Glyph class definitions (Base=1, Ligature=2, Mark=3, Component=4) */
    glyphClassDef: ClassDef;
    /** Attachment point list (optional) */
    attachList: Map<GlyphId, AttachPoint> | null;
    /** Ligature caret list (optional) */
    ligCaretList: Map<GlyphId, LigatureCaret> | null;
    /** Mark attachment class definitions */
    markAttachClassDef: ClassDef;
    /** Mark glyph sets (version 1.2+) */
    markGlyphSets: MarkGlyphSets | null;
}
export declare function parseGdef(reader: Reader): GdefTable;
export declare function parseAttachList(reader: Reader): Map<GlyphId, AttachPoint>;
export declare function parseLigCaretList(reader: Reader): Map<GlyphId, LigatureCaret>;
export declare function parseMarkGlyphSets(reader: Reader): MarkGlyphSets;
/** Get glyph class from GDEF */
export declare function getGlyphClass(gdef: GdefTable | null, glyphId: GlyphId): GlyphClass | 0;
/** Check if glyph is a base glyph */
export declare function isBaseGlyph(gdef: GdefTable | null, glyphId: GlyphId): boolean;
/** Check if glyph is a ligature */
export declare function isLigature(gdef: GdefTable | null, glyphId: GlyphId): boolean;
/** Check if glyph is a mark */
export declare function isMark(gdef: GdefTable | null, glyphId: GlyphId): boolean;
/** Check if glyph is a component */
export declare function isComponent(gdef: GdefTable | null, glyphId: GlyphId): boolean;