diff --git a/src/Api.php b/src/Api.php
index 412a8300e74069cd828036ca171fad0deb15a58d..0cd3052265de474fbaa16496eb8004782a3c5bdd 100644
--- a/src/Api.php
+++ b/src/Api.php
@@ -62,6 +62,17 @@ class Api {
     }
   }
 
+  /**
+   * Return the initialized client for the current server.
+   *
+   * @return \Gitlab\Client
+   *   The initialized client.
+   */
+  public function getClient(): Client {
+    $this->init();
+    return $this->client;
+  }
+
   /**
    * Allow to switch between gitlab server.
    *
@@ -105,24 +116,6 @@ class Api {
     ]);
   }
 
-  /**
-   * Create a new project branch.
-   *
-   * @param int $project_id
-   *   The project ID.
-   * @param string $branch
-   *   The new branch.
-   * @param string $ref
-   *   The optional branch from which the new one should be created.
-   *
-   * @return array
-   *   The new branch.
-   */
-  public function createBranch(int $project_id, string $branch, string $ref = 'main'): array {
-    $this->init();
-    return $this->client->repositories()->createBranch($project_id, $branch, 'main');
-  }
-
   /**
    * Creates a commit to CRUD file(s) in the repository.
    *
@@ -163,11 +156,13 @@ class Api {
    *
    * @return array
    *   The created pipeline.
+   *
+   * @deprecated in gitlab_api:2.1.2 and is removed from gitlab_apit:2.2.0.
+   *    Use ::getClient()->createPipeline() instead.
    */
   public function createPipeline(int $project_id, string $commit_ref, array $variables = []): array {
     $this->init();
-    return $this->client->projects()
-      ->createPipeline($project_id, $commit_ref, $variables);
+    return $this->client->projects()->createPipeline($project_id, $commit_ref, $variables);
   }
 
   /**
@@ -211,7 +206,9 @@ class Api {
    *
    * @return array
    *   The list of namespaces.
-   */
+   *
+   * @deprecated in gitlab_api:2.1.2 and is removed from gitlab_apit:2.2.0.
+   *     Use ::getClient()->namespaces()->all() instead.   */
   public function namespaces(): array {
     $this->init();
     return $this->client->namespaces()->all();
@@ -249,34 +246,6 @@ class Api {
     }
   }
 
-  /**
-   * Gets a list of projects from a given group.
-   *
-   * @param int $group_id
-   *   The ID of the group.
-   * @param bool $simple
-   *    If TRUE, only limited number of fields for each projects get returned.
-   * @param bool $includeArchived
-   *    If TRUE, also archived projects will be returned.
-   * @param array $additionalParams
-   *   Optional extra arguments.
-   *
-   * @return array
-   *   The list of projects.
-   */
-  public function groupProjects(int $group_id, bool $simple = TRUE, bool $includeArchived = FALSE, array $additionalParams = []): array {
-    $this->init();
-    $params = [
-      'simple' => $simple,
-      'archived' => FALSE,
-    ];
-    if ($includeArchived) {
-      unset($params['archived']);
-    }
-    $params += $additionalParams;
-    return $this->client->groups()->projects($group_id, $params);
-  }
-
     /**
    * Gets a project.
    *
@@ -329,6 +298,9 @@ class Api {
    *
    * @return array
    *   The project pipeline.
+   *
+   * @deprecated in gitlab_api:2.1.2 and is removed from gitlab_apit:2.2.0.
+   *     Use ::getClient()->projects()->pipeline() instead.
    */
   public function pipeline(int $project_id, int $pipeline_id): array {
     $this->init();
@@ -345,6 +317,9 @@ class Api {
    *
    * @return array
    *   The list of pipeline jobs.
+   *
+   * @deprecated in gitlab_api:2.1.2 and is removed from gitlab_apit:2.2.0.
+   *      Use ::getClient()->pipelineJobs() instead.
    */
   public function jobs(int $project_id, int $pipeline_id): array {
     $this->init();
@@ -453,6 +428,9 @@ class Api {
    *
    * @return array
    *   The list of branches.
+   *
+   * @deprecated in gitlab_api:2.1.2 and is removed from gitlab_apit:2.2.0.
+   *      Use ::getClient()->repositories()->branches() instead.
    */
   public function branches(int $project_id): array {
     $this->init();
@@ -469,6 +447,9 @@ class Api {
    *
    * @return array
    *   The branch.
+   *
+   * @deprecated in gitlab_api:2.1.2 and is removed from gitlab_apit:2.2.0.
+   *      Use ::getClient()->repositories()->branch instead.
    */
   public function branch(int $project_id, string $branch): array {
     $this->init();
@@ -495,20 +476,6 @@ class Api {
     return $topics;
   }
 
-  /**
-   * Receives all variables of the project.
-   *
-   * @param int $project_id
-   *   The project ID.
-   *
-   * @return array
-   *   The list of variables.
-   */
-  public function projectVariables(int $project_id): array {
-    $this->init();
-    return $this->client->projects()->variables($project_id);
-  }
-
   /**
    * Receives a project variable.
    *
@@ -548,58 +515,6 @@ class Api {
     return NULL;
   }
 
-  /**
-   * Adds a new project variable.
-   *
-   * @param int $project_id
-   *   The project ID.
-   * @param string $key
-   *   The variable key.
-   * @param string $value
-   *   The variable value.
-   * @param bool|null $protected
-   *   Whether the variable should be protected.
-   * @param string|null $environment_scope
-   *   The environment scope.
-   */
-  public function addProjectVariable(int $project_id, string $key, string $value, ?bool $protected = null, ?string $environment_scope = null): void {
-    $this->init();
-    $this->client->projects()->addVariable($project_id, $key, $value, $protected, $environment_scope);
-  }
-
-  /**
-   * Update an existing project variable.
-   *
-   * @param int $project_id
-   *   The project ID.
-   * @param string $key
-   *   The variable key.
-   * @param string $value
-   *   The variable value.
-   * @param bool|null $protected
-   *   Whether the variable should be protected.
-   * @param string|null $environment_scope
-   *   The environment scope.
-   */
-  public function updateProjectVariable(int $project_id, string $key, string $value, ?bool $protected = null, ?string $environment_scope = null): void {
-    $this->init();
-    $this->client->projects()->updateVariable($project_id, $key, $value, $protected, $environment_scope);
-  }
-
-  /**
-   * Receives all variables of the group.
-   *
-   * @param int $group_id
-   *   The group ID.
-   *
-   * @return array
-   *   The list of variables.
-   */
-  public function groupVariables(int $group_id): array {
-    $this->init();
-    return $this->client->groups()->variables($group_id);
-  }
-
   /**
    * Receives a group variable.
    *
@@ -639,38 +554,4 @@ class Api {
     return NULL;
   }
 
-  /**
-   * Adds a new group variable.
-   *
-   * @param int $group_id
-   *   The group ID.
-   * @param string $key
-   *   The variable key.
-   * @param string $value
-   *   The variable value.
-   * @param bool|null $protected
-   *   Whether the variable should be protected.
-   */
-  public function addGroupVariable(int $group_id, string $key, string $value, ?bool $protected = null): void {
-    $this->init();
-    $this->client->groups()->addVariable($group_id, $key, $value, $protected);
-  }
-
-  /**
-   * Update an existing group variable.
-   *
-   * @param int $group_id
-   *   The group ID.
-   * @param string $key
-   *   The variable key.
-   * @param string $value
-   *   The variable value.
-   * @param bool|null $protected
-   *   Whether the variable should be protected.
-   */
-  public function updateGroupVariable(int $group_id, string $key, string $value, ?bool $protected = null): void {
-    $this->init();
-    $this->client->groups()->updateVariable($group_id, $key, $value, $protected);
-  }
-
 }