<?php

declare(strict_types=1);

namespace Square\Models;

/**
 * Unit of area used to measure a quantity.
 */
class MeasurementUnitArea
{
    /**
     * The area is measured in acres.
     */
    public const IMPERIAL_ACRE = 'IMPERIAL_ACRE';

    /**
     * The area is measured in square inches.
     */
    public const IMPERIAL_SQUARE_INCH = 'IMPERIAL_SQUARE_INCH';

    /**
     * The area is measured in square feet.
     */
    public const IMPERIAL_SQUARE_FOOT = 'IMPERIAL_SQUARE_FOOT';

    /**
     * The area is measured in square yards.
     */
    public const IMPERIAL_SQUARE_YARD = 'IMPERIAL_SQUARE_YARD';

    /**
     * The area is measured in square miles.
     */
    public const IMPERIAL_SQUARE_MILE = 'IMPERIAL_SQUARE_MILE';

    /**
     * The area is measured in square centimeters.
     */
    public const METRIC_SQUARE_CENTIMETER = 'METRIC_SQUARE_CENTIMETER';

    /**
     * The area is measured in square meters.
     */
    public const METRIC_SQUARE_METER = 'METRIC_SQUARE_METER';

    /**
     * The area is measured in square kilometers.
     */
    public const METRIC_SQUARE_KILOMETER = 'METRIC_SQUARE_KILOMETER';
}