import * as Ot from "@ot-builder/ot";
import { GlyphTracer } from "../interface";
export declare function traceGlyphs<GS extends Ot.GlyphStore>(tracer: GlyphTracer, font: Ot.Font<GS>): GlyphTracer;
export declare function visibleGlyphsFromUnicodeSet<GS extends Ot.GlyphStore>(font: Ot.Font<GS>, unicodeSet: {
    has(u: number): boolean;
}): Set<Ot.Glyph>;
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