'type'              => 'integer',
			'sanitize_callback' => 'absint',
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['orders_count_max']        = array(
			'description'       => __( 'Limit response to objects with an order count less than or equal to given integer.', 'woocommerce' ),
			'type'              => 'integer',
			'sanitize_callback' => 'absint',
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['orders_count_between']    = array(
			'description'       => __( 'Limit response to objects with an order count between two given integers.', 'woocommerce' ),
			'type'              => 'array',
			'validate_callback' => array( '\Automattic\WooCommerce\Admin\API\Reports\TimeInterval', 'rest_validate_between_numeric_arg' ),
			'items'             => array(
				'type' => 'integer',
			),
		);
		$params['total_spend_min']         = array(
			'description'       => __( 'Limit response to objects with a total order spend greater than or equal to given number.', 'woocommerce' ),
			'type'              => 'number',
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['total_spend_max']         = array(
			'description'       => __( 'Limit response to objects with a total order spend less than or equal to given number.', 'woocommerce' ),
			'type'              => 'number',
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['total_spend_between']     = array(
			'description'       => __( 'Limit response to objects with a total order spend between two given numbers.', 'woocommerce' ),
			'type'              => 'array',
			'validate_callback' => array( '\Automattic\WooCommerce\Admin\API\Reports\TimeInterval', 'rest_validate_between_numeric_arg' ),
			'items'             => array(
				'type' => 'integer',
			),
		);
		$params['avg_order_value_min']     = array(
			'description'       => __( 'Limit response to objects with an average order spend greater than or equal to given number.', 'woocommerce' ),
			'type'              => 'number',
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['avg_order_value_max']     = array(
			'description'       => __( 'Limit response to objects with an average order spend less than or equal to given number.', 'woocommerce' ),
			'type'              => 'number',
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['avg_order_value_between'] = array(
			'description'       => __( 'Limit response to objects with an average order spend between two given numbers.', 'woocommerce' ),
			'type'              => 'array',
			'validate_callback' => array( '\Automattic\WooCommerce\Admin\API\Reports\TimeInterval', 'rest_validate_between_numeric_arg' ),
			'items'             => array(
				'type' => 'integer',
			),
		);
		$params['last_order_before']       = array(
			'description'       => __( 'Limit response to objects with last order before (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
			'type'              => 'string',
			'format'            => 'date-time',
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['last_order_after']        = array(
			'description'       => __( 'Limit response to objects with last order after (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
			'type'              => 'string',
			'format'            => 'date-time',
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['customers']               = array(
			'description'       => __( 'Limit result to items with specified customer ids.', 'woocommerce' ),
			'type'              => 'array',
			'sanitize_callback' => 'wp_parse_id_list',
			'validate_callback' => 'rest_validate_request_arg',
			'items'             => array(
				'type' => 'integer',
			),
		);
		$params['fields']                  = array(
			'description'       => __( 'Limit stats fields to the specified items.', 'woocommerce' ),
			'type'              => 'array',
			'sanitize_callback' => 'wp_parse_slug_list',
			'validate_callback' => 'rest_validate_request_arg',
			'items'             => array(
				'type' => 'string',
			),
		);
		$params['force_cache_refresh']     = array(
			'description'       => __( 'Force retrieval of fresh data instead of from the cache.', 'woocommerce' ),
			'type'              => 'boolean',
			'sanitize_callback' => 'wp_validate_boolean',
			'validate_callback' => 'rest_validate_request_arg',
		);

		return $params;
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'Automattic\WooCommerce\Admin\API\Reports\Customers\Stats\Controller' not found in /home/merciket/public_html/wp-content/plugins/woocommerce/src/Admin/API/Init.php:150
Stack trace:
#0 /home/merciket/public_html/wp-includes/class-wp-hook.php(324): Automattic\WooCommerce\Admin\API\Init-&gt;rest_api_init(Object(WP_REST_Server))
#1 /home/merciket/public_html/wp-includes/class-wp-hook.php(348): WP_Hook-&gt;apply_filters(NULL, Array)
#2 /home/merciket/public_html/wp-includes/plugin.php(517): WP_Hook-&gt;do_action(Array)
#3 /home/merciket/public_html/wp-includes/rest-api.php(593): do_action('rest_api_init', Object(WP_REST_Server))
#4 /home/merciket/public_html/wp-includes/rest-api.php(417): rest_get_server()
#5 /home/merciket/public_html/wp-includes/class-wp-hook.php(324): rest_api_loaded(Object(WP))
#6 /home/merciket/public_html/wp-includes/class-wp-hook.php(348): WP_Hook-&gt;apply_filters(NULL, Array)
#7 /home/merciket/public_html/wp-includes/plugin.php(565): WP_Hook-&gt;do_action(Array)
#8 /home/merciket/p in <b>/home/merciket/public_html/wp-content/plugins/woocommerce/src/Admin/API/Init.php</b> on line <b>150</b><br />