Fix the errors/warnings reported by PHP_CodeSniffer

I will look into this :)

Created the patch to fix the coding standard issues and warnings on branch 2.0.x-dev .
Kindly review the patch.
Thank you.

+  /**
+   * Constructs a BreadcrumbItem object.
+   */

The class name is missing the namespace.

+  /**
+   * Creates a new BreadcrumbItem instance.
+   *
+   * @param \Drupal\Core\Link|null $link
+   *   (optional) The link associated with the breadcrumb item.
+   *
+   * @return \Drupal\consistent_breadcrumbs\BreadcrumbItem
+   *   The BreadcrumbItem instance.
+   */
   public static function create(?Link $link = NULL): BreadcrumbItem {

Since the method returns an instance of the same class, it should be @return static.

+   * @return $this
+   *   The current BreadcrumbItem object.
+   */
   public function setLink(?Link $link): self {

Since it uses @return $this, the return value description is not necessary.

+/**
+ * Defines the interface for Consistent Breadcrumb builders.
+ */
 interface ConsistentBreadcrumbBuilderInterface {

Saying that an interface defines the interface for Consistent Breadcrumb builders is not giving a useful description.

+/**
+ * Manages the consistent breadcrumb generation.
+ */
 class ConsistentBreadcrumbManager implements ConsistentBreadcrumbManagerInterface {

What is a consistent breadcrumb generation? It is better to say Provides a manager for […]. or Manages discovery and instantiation of […] plugins. which are two of the descriptions used by Drupal core for plugin managers.

+  /**
+   * The static cache backend.
+   *
+   * @var \Drupal\Core\Cache\CacheBackendInterface
+   */
   private CacheBackendInterface $staticCache;

It is sufficient to say The cache backend.

+  /**
+   * The primary breadcrumb builder.
+   *
+   * @var \Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface
+   */
   private BreadcrumbBuilderInterface $breadcrumbManager;

The breadcrumb builder. is sufficient.

+  /**
+   * Constructs a ConsistentBreadcrumbManager object.
+   *
+   * @param \Drupal\Core\Cache\CacheBackendInterface $staticCache
+   *   The static cache backend.
+   * @param \Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface $breadcrumbManager
+   *   The primary breadcrumb builder.
+   * @param \Drupal\consistent_breadcrumbs\ConsistentBreadcrumbsRoutingHelper $routingHelper
+   *   The routing helper.
+   * @param \Drupal\Core\Http\RequestStack $requestStack
+   *   The request stack.
+   */

The class namespace is missing.

   /**
-   * @inheritDoc
+   * {@inheritDoc}
    */

It is {@inheritdoc}.

Thanks for the review!!
I will work on this.

Phpcs fixed,
kindly review.

-  private function __construct() {}
-

The constructor has been declared private to avoid it is used to create an instance of that class. It cannot be removed, or PHP will assign to the class a public constructor.

+   * @return static \Drupal\consistent_breadcrumbs\BreadcrumbItem
+   *   The BreadcrumbItem instance.

When static or $this are used as return type, there is no need to also add the class name. I think in Drupal $this is used instead of static, though.

+/**
+ * Provides an interface defining a Consistent Breadcrumb builders.
+ */
 interface ConsistentBreadcrumbBuilderInterface {

An interface that provides an interface is quite… tautological, especially when the description ends with the interface name.

+/**
+ * Manages the consistent breadcrumb generation.
+ */
 class ConsistentBreadcrumbManager implements ConsistentBreadcrumbManagerInterface {

The description should be a little better than that.

+  /**
+   * Constructs a ConsistentBreadcrumbManager object.
+   *

The description for a constructor must start with Constructs a new followed by the class name (including its namespace), and end with object.

   /**
-   * @inheritDoc
+   * {@inheritDoc}.

The period is not added after {@inheritdoc}. It is {@inheritdoc}, not {@inheritDoc}.

-        // dump(__FUNCTION__ . ':noLink');
+        // dump(__FUNCTION__ . ':noLink');.

Periods are not added to commented out code.

+/**
+ * Defines the interface for the Consistent Breadcrumb Manager.
+ */

Interface descriptions must not start with Defines.

+/**
+ * Path-based Consistent Breadcrumb builder implementation.
+ */

implementation is never used in class descriptions, in Drupal core.

+   * @return string
+   *   The front page path.
+   */
   private function getFrontPagePath() {

The method returns also NULL.

Hi,
Applied #11 patch , the patch is not get applied and throwing error.

apaderno → changed the visibility of the branch 3196460-FIX-PHPCS-ISSUES to hidden.

apaderno → changed the visibility of the branch 2.0.x to hidden.