code: Set<ProjectMethod> findProjectMethods(final List<Instruction> instructions) {
          final Set<ProjectMethod> projectMethods = new HashSet<>();
  
          addProjectMethods(instructions, projectMethods);
  
          return projectMethods;
      }
docs: Searches for own project method invoke instructions in the given list.
  
  @param instructions The instructions where to search
  @return The found project methods