original_string: public function getCalls()
      {
          if (null == $this->calls) {
              $this->calls = $this->extractCalls();
          }
  
          return $this->calls;
      }
code: public function getCalls()
      {
          if (null == $this->calls) {
              $this->calls = $this->extractCalls();
          }
  
          return $this->calls;
      }
code_tokens: public function getCalls ( ) { if ( null == $ this -> calls ) { $ this -> calls = $ this -> extractCalls ( ) ; } return $ this -> calls ; }
docstring: Get the direct calls object.
  
  @return array
docstring_tokens: Get the direct calls object .