code: public Stream<Commit> getCommitsStream(Object projectIdOrPath, int mergeRequestIid) throws GitLabApiException {
          return (getCommits(projectIdOrPath, mergeRequestIid, getDefaultPerPage()).stream());
      }
docs: Get a Stream of merge request commits.
  
  <p>NOTE: GitLab API V4 uses IID (internal ID), V3 uses ID to identify the merge request.</p>
  
  <pre><code>GitLab Endpoint: GET /projects/:id/merge_requests/:merge_request_iid/commits</code></pre>
  
  @param projectIdOrPath the project in the form of an Integer(ID), String(path), or Project instance
  @param mergeRequestIid the internal ID of the merge request
  @return a Stream containing the commits for the specified merge request
  @throws GitLabApiException GitLabApiException if any exception occurs during execution