TCA declaration of FAL-based image with a single image

gistfile1.php

'image' => array(
	'exclude' => 0,
	'label' => 'LLL:EXT:lima/Resources/Private/Language/locallang_db.xml:fe_users.image',
	'config' => \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::getFileFieldTCAConfig(
		'image',
		array(
			'appearance' => array(
				'createNewRelationLinkTitle' => 'LLL:EXT:cms/locallang_ttc.xlf:images.addFileReference'
			),
			// Override sys_file_reference types to show no additional input fields in FAL relation
			'foreign_types' => array(
				'0' => array(
					'showitem' => '--palette--;;filePalette'
				),
				'1' => array(
					'showitem' => '--palette--;;filePalette'
				),
				'2' => array(
					'showitem' => '--palette--;;filePalette'
				),
				'3' => array(
					'showitem' => '--palette--;;filePalette'
				),
				'4' => array(
					'showitem' => '--palette--;;filePalette'
				),
				'5' => array(
					'showitem' => '--palette--;;filePalette'
				)
			),
			'minitems' => 0,
			'maxitems' => 1
		),
		$GLOBALS['TYPO3_CONF_VARS']['GFX']['imagefile_ext']
	)
),