code: protected function createCodeForOverridenMethods($methods)
      {
          $code = '';
          foreach ($methods as $method) {
              if ($this->isConstructorOrDeconstructor($method)) {
                  continue;
              }
              $code .= '    ' . $this->reflection->getSignature($method) . " {\n";
              $code .= "        return \$this->mock->invoke(\"$method\", func_get_args());\n";
              $code .= "    }\n";
          }
  
          return $code;
      }
docs: Creates source code to override a list of methods with mock versions.
  
  @param array $methods Methods to be overridden with mock versions.
  
  @return string Code for overridden chains.