private function update_user_meta( $customer ) {
		$updated_props = array();
		$changed_props = $customer->get_changes();

		$meta_key_to_props = array(
			'paying_customer' => 'is_paying_customer',
			'first_name'      => 'first_name',
			'last_name'       => 'last_name',
		);

		foreach ( $meta_key_to_props as $meta_key => $prop ) {
			if ( ! array_key_exists( $prop, $changed_props ) ) {
				continue;
			}

			if ( update_user_meta( $customer->get_id(), $meta_key, $customer->{"get_$prop"}( 'edit' ) ) ) {
				$updated_props[] = $prop;
			}
		}

		$billing_address_props = array(
			'billing_first_name' => 'billing_first_name',
			'billing_last_name'  => 'billing_last_name',
			'billing_company'    => 'billing_company',
			'billing_address_1'  => 'billing_address_1',
			'billing_address_2'  => 'billing_address_2',
			'billing_city'       => 'billing_city',
			'billing_state'      => 'billing_state',
			'billing_postcode'   => 'billing_postcode',
			'billing_country'    => 'billing_country',
			'billing_email'      => 'billing_email',
			'billing_phone'      => 'billing_phone',
		);

		foreach ( $billing_address_props as $meta_key => $prop ) {
			$prop_key = substr( $prop, 8 );

			if ( ! isset( $changed_props['billing'] ) || ! array_key_exists( $prop_key, $changed_props['billing'] ) ) {
				continue;
			}

			if ( update_user_meta( $customer->get_id(), $meta_key, $customer->{"get_$prop"}( 'edit' ) ) ) {
				$updated_props[] = $prop;
			}
		}

		$shipping_address_props = array(
			'shipping_first_name' => 'shipping_first_name',
			'shipping_last_name'  => 'shipping_last_name',
			'shipping_company'    => 'shipping_company',
			'shipping_address_1'  => 'shipping_address_1',
			'shipping_address_2'  => 'shipping_address_2',
			'shipping_city'       => 'shipping_city',
			'shipping_state'      => 'shipping_state',
			'shipping_postcode'   => 'shipping_postcode',
			'shipping_country'    => 'shipping_country',
		);

		foreach ( $shipping_address_props as $meta_key => $prop ) {
			$prop_key = substr( $prop, 9 );

			if ( ! isset( $changed_props['shipping'] ) || ! array_key_exists( $prop_key, $changed_props['shipping'] ) ) {
				continue;
			}

			if ( update_user_meta( $customer->get_id(), $meta_key, $customer->{"get_$prop"}( 'edit' ) ) ) {
				$updated_props[] = $prop;
			}
		}

		do_action( 'woocommerce_customer_object_updated_props', $customer, $updated_props );
	}