=> 'wp_inactive_widgets',
					'required'    => true,
					'context'     => array( 'view', 'edit', 'embed' ),
				),
				'rendered'      => array(
					'description' => __( 'HTML representation of the widget.' ),
					'type'        => 'string',
					'context'     => array( 'view', 'edit', 'embed' ),
					'readonly'    => true,
				),
				'rendered_form' => array(
					'description' => __( 'HTML representation of the widget admin form.' ),
					'type'        => 'string',
					'context'     => array( 'edit' ),
					'readonly'    => true,
				),
				'instance'      => array(
					'description' => __( 'Instance settings of the widget, if supported.' ),
					'type'        => 'object',
					'context'     => array( 'edit' ),
					'default'     => null,
					'properties'  => array(
						'encoded' => array(
							'description' => __( 'Base64 encoded representation of the instance settings.' ),
							'type'        => 'string',
							'context'     => array( 'edit' ),
						),
						'hash'    => array(
							'description' => __( 'Cryptographic hash of the instance settings.' ),
							'type'        => 'string',
							'context'     => array( 'edit' ),
						),
						'raw'     => array(
							'description' => __( 'Unencoded instance settings, if supported.' ),
							'type'        => 'object',
							'context'     => array( 'edit' ),
						),
					),
				),
				'form_data'     => array(
					'description' => __( 'URL-encoded form data from the widget admin form. Used to update a widget that does not support instance. Write only.' ),
					'type'        => 'string',
					'context'     => array(),
					'arg_options' => array(
						'sanitize_callback' => static function ( $form_data ) {
							$array = array();
							wp_parse_str( $form_data, $array );
							return $array;
						},
					),
				),
			),
		);

		return $this->add_additional_fields_schema( $this->schema );
	}
}