/**
 * @typedef {object} Phaser.Types.GameObjects.Particles.DeathZoneSource
 * @since 3.0.0
 *
 * @property {Phaser.Types.GameObjects.Particles.DeathZoneSourceCallback} contains
 *
 * @see Phaser.Geom.Circle
 * @see Phaser.Geom.Ellipse
 * @see Phaser.Geom.Polygon
 * @see Phaser.Geom.Rectangle
 * @see Phaser.Geom.Triangle
 */
