original_string: public function fix($packageName, LinkConstraintInterface $constraint = null)
      {
          $this->addJob($packageName, 'install', $constraint, true);
      }
code: public function fix($packageName, LinkConstraintInterface $constraint = null)
      {
          $this->addJob($packageName, 'install', $constraint, true);
      }
code_tokens: public function fix ( $ packageName , LinkConstraintInterface $ constraint = null ) { $ this -> addJob ( $ packageName , 'install' , $ constraint , true ) ; }
docstring: Mark an existing package as being installed and having to remain installed
  
  These jobs will not be tempered with by the solver
docstring_tokens: Mark an existing package as being installed and having to remain installed