Update the method return values

Author: JPry

src/Assets/Asset.php

@@ -344,6 +344,8 @@ public function add_to_group_path( string $group_path_name ) {
 	 * @param string      $file      The asset file path.
 	 * @param string|null $version   The asset version.
 	 * @param string|null $root_path The path to the root of the plugin.
+	 *
+	 * @return self
 	 */
 	public static function add( string $slug, string $file, string $version = null, $root_path = null ) {
 		return Assets::init()->add( new self( $slug, $file, $version, $root_path ) );

src/Assets/Assets.php

@@ -109,7 +109,7 @@ public static function asset( string $slug, string $file, string $version = null
 	 *
 	 * @param Asset $asset Register an asset.
 	 *
-	 * @return Asset|false The registered object or false on error.
+	 * @return Asset|VendorAsset The registered object or false on error.
 	 * @since 1.0.0
 	 *
 	 */
@@ -192,7 +192,7 @@ public function filter_print_before_after_script( $tag, $handle ): string {
 	 * @param string|array $slug Slug of the Asset.
 	 * @param boolean $sort If we should do any sorting before returning.
 	 *
-	 * @return array|Asset Array of asset objects, single asset object, or null if looking for a single asset but
+	 * @return array|Asset|VendorAsset Array of asset objects, single asset object, or null if looking for a single asset but
 	 *                           it was not in the array of objects.
 	 * @since 1.0.0
 	 *

src/Assets/VendorAsset.php

@@ -50,6 +50,8 @@ public function __construct( string $slug, string $url, string $type = 'js' ) {
 	 * @param string  $url     The asset file path.
 	 * @param ?string $type    The asset type.
 	 * @param ?string $version The asset version.
+	 *
+	 * @return self
 	 */
 	public static function add( string $slug, string $url, ?string $type = null, $version = null ) {
 		$instance = new self( $slug, $url, $type ?? 'js' );