/**
 * Icon font generator using modern stream/conversion toolchain.
 * Supports woff2, woff, ttf, svg, eot formats with stable codepoints.
 */
import type { FontFormat } from "../types/config.js";
export interface IconFontInput {
    name: string;
    svgPath: string;
}
export interface GenerateFontOptions {
    fontName: string;
    outputDir: string;
    icons: IconFontInput[];
    formats: FontFormat;
    engine?: "webfonts-generator" | "advanced";
    existingCodepoints?: CodepointsMap;
}
export interface CodepointsMap {
    [iconName: string]: number;
}
export interface GlyphInfo {
    name: string;
    codepoint: string;
    unicode: string;
}
export declare class FontGenerator {
    private readonly startCodepoint;
    private woff2InitPromise;
    /**
     * Generate icon font with all formats and preview
     */
    generateFont(options: GenerateFontOptions): Promise<CodepointsMap>;
    /**
     * Assign stable codepoints to icons
     */
    private assignCodepoints;
    /**
     * Build SVG font from input glyph files.
     */
    private buildSvgFont;
    /**
     * Write requested font formats to output directory.
     */
    private writeRequestedFormats;
    private bufferToArrayBuffer;
    private toBuffer;
    private deflateForFontEditor;
    private validateEngine;
    private ensureWoff2Ready;
    private generateStylesheet;
    /**
     * Generate HTML preview with copy functionality
     */
    private generatePreview;
}