public function product_duplicate( $product ) {
		/**
		 * Filter to allow us to unset/remove data we don't want to copy to the duplicate.
		 *
		 * @since 2.6
		 */
		$meta_to_exclude = array_filter( apply_filters( 'woocommerce_duplicate_product_exclude_meta', array() ) );

		$duplicate = clone $product;
		$duplicate->set_id( 0 );
		/* translators: %s contains the name of the original product. */
		$duplicate->set_name( sprintf( esc_html__( '%s (Copy)', 'woocommerce' ), $duplicate->get_name() ) );
		$duplicate->set_total_sales( 0 );
		if ( '' !== $product->get_sku( 'edit' ) ) {
			$duplicate->set_sku( wc_product_generate_unique_sku( 0, $product->get_sku( 'edit' ) ) );
		}
		$duplicate->set_status( 'draft' );
		$duplicate->set_date_created( null );
		$duplicate->set_slug( '' );
		$duplicate->set_rating_counts( 0 );
		$duplicate->set_average_rating( 0 );
		$duplicate->set_review_count( 0 );

		foreach ( $meta_to_exclude as $meta_key ) {
			$duplicate->delete_meta_data( $meta_key );
		}

		/**
		 * This action can be used to modify the object further before it is created - it will be passed by reference.
		 *
		 * @since 3.0
		 */
		do_action( 'woocommerce_product_duplicate_before_save', $duplicate, $product );

		// Save parent product.
		$duplicate->save();

		// Duplicate children of a variable product.
		if ( ! apply_filters( 'woocommerce_duplicate_product_exclude_children', false, $product ) && $product->is_type( 'variable' ) ) {
			foreach ( $product->get_children() as $child_id ) {
				$child           = wc_get_product( $child_id );
				$child_duplicate = clone $child;
				$child_duplicate->set_parent_id( $duplicate->get_id() );
				$child_duplicate->set_id( 0 );
				$child_duplicate->set_date_created( null );

				// If we wait and let the insertion generate the slug, we will see extreme performance degradation
				// in the case where a product is used as a template. Every time the template is duplicated, each
				// variation will query every consecutive slug until it finds an empty one. To avoid this, we can
				// optimize the generation ourselves, avoiding the issue altogether.
				$this->generate_unique_slug( $child_duplicate );

				if ( '' !== $child->get_sku( 'edit' ) ) {
					$child_duplicate->set_sku( wc_product_generate_unique_sku( 0, $child->get_sku( 'edit' ) ) );
				}

				foreach ( $meta_to_exclude as $meta_key ) {
					$child_duplicate->delete_meta_data( $meta_key );
				}

				/**
				 * This action can be used to modify the object further before it is created - it will be passed by reference.
				 *
				 * @since 3.0
				 */
				do_action( 'woocommerce_product_duplicate_before_save', $child_duplicate, $child );

				$child_duplicate->save();
			}

			// Get new object to reflect new children.
			$duplicate = wc_get_product( $duplicate->get_id() );
		}

		return $duplicate;
	}