rebase from live enviornment

wp/plugins/woocommerce/includes/interfaces/class-wc-customer-data-store-interface.php

@@ -0,0 +1,41 @@
+<?php
+/**
+ * Customer Data Store Interface
+ *
+ * @version 3.0.0
+ * @package WooCommerce\Interface
+ */
+
+/**
+ * WC Customer Data Store Interface
+ *
+ * Functions that must be defined by customer store classes.
+ *
+ * @version  3.0.0
+ */
+interface WC_Customer_Data_Store_Interface {
+
+	/**
+	 * Gets the customers last order.
+	 *
+	 * @param WC_Customer $customer Customer object.
+	 * @return WC_Order|false
+	 */
+	public function get_last_order( &$customer );
+
+	/**
+	 * Return the number of orders this customer has.
+	 *
+	 * @param WC_Customer $customer Customer object.
+	 * @return integer
+	 */
+	public function get_order_count( &$customer );
+
+	/**
+	 * Return how much money this customer has spent.
+	 *
+	 * @param WC_Customer $customer Customer object.
+	 * @return float
+	 */
+	public function get_total_spent( &$customer );
+}