function UpSampling2d( config ) {

	// "UpSampling2d" inherits from abstract layer "NativeLayer3d".

	NativeLayer3d.call( this, config );

	/**
	 * The upsampling factors for width and height.
	 * For example: [ 2, 2 ].
	 *
	 * @type { Array }
	 */

	this.size = undefined;

	/**
	 * The upsampling factors for width and height separately.
	 *
	 * @type { int }
	 */

	this.widthSize = undefined;
	this.heightSize = undefined;

	this.layerType = "UpSampling2d";

}
The upsampling factors for width and height separately.

@type { int }