import { type GlyphRun } from '../glyph-run.ts';
/**
 * The 'kern' table provides kerning pair adjustments for horizontal text.
 * This is the legacy kern table format; modern fonts typically use the
 * GPOS table for kerning instead.
 *
 * Only Microsoft-style (version 0) tables with format 0 subtables are
 * supported. Apple-style (version 1) tables are recognized but skipped.
 */
export declare class KernTable {
    private readonly pairs;
    /**
     * Reads a 'kern' table from the given DataView.
     * Returns `undefined` for unsupported table versions (e.g. Apple-style version 1).
     */
    static read(data: DataView): KernTable | undefined;
    private constructor();
    /**
     * Returns the kerning value for a glyph pair, or 0 if no kerning is defined.
     */
    getKerning(leftGlyphId: number, rightGlyphId: number): number;
    /**
     * Applies kerning adjustments to consecutive glyph pairs in a glyph run.
     * For performance reasons, glyphs are modified in place.
     */
    applyToGlyphRun(glyphRun: GlyphRun): void;
}