code: public List<Milestone> getMilestones(Object projectIdOrPath) throws GitLabApiException {
          return (getMilestones(projectIdOrPath, getDefaultPerPage()).all());
      }
docs: Get a list of project milestones.
  
  @param projectIdOrPath the project in the form of an Integer(ID), String(path), or Project instance
  @return the milestones associated with the specified project
  @throws GitLabApiException if any exception occurs