import { type DataWriter } from '../data-writer.ts';
import { TableBuilder } from '../table-builder.ts';
import { type HheaTable } from '../tables/hhea.ts';
import { type MaxpTable } from '../tables/maxp.ts';
/**
 * Represents the horizontal metrics for a single glyph.
 */
export type HorMetric = {
    /** The advance width for the glyph. */
    readonly advanceWidth: number;
    /** The left side bearing for the glyph. */
    readonly leftSideBearing: number;
};
/**
 * The 'hmtx' (Horizontal Metrics) table contains the horizontal metrics for each glyph in the font.
 */
export declare class HmtxTable {
    readonly hMetrics: ReadonlyArray<HorMetric>;
    readonly leftSideBearings?: ReadonlyArray<number>;
    /**
     * Reads a 'hmtx' table from the given DataView.
     */
    static read(data: DataView, hhea: HheaTable, maxp: MaxpTable): HmtxTable;
    private constructor();
}
/**
 * Builder for the 'hmtx' table.
 */
export declare class HmtxTableBuilder extends TableBuilder {
    hMetrics: HorMetric[];
    leftSideBearings: number[];
    /**
     * Creates a HmtxTableBuilder for the given HmtxTable.
     */
    static forTable(hmtx: HmtxTable): HmtxTableBuilder;
    constructor(hmtx?: HmtxTable);
    writeTable(writer: DataWriter): void;
}