original_string: public function addGroup($name, $group_index_or_role = 0)
      {
        $group = new SignerGroup(array(
          'name' => $name
        ));
  
        $this->signers[$group_index_or_role] = $group;
  
        return $this;
      }
code: public function addGroup($name, $group_index_or_role = 0)
      {
        $group = new SignerGroup(array(
          'name' => $name
        ));
  
        $this->signers[$group_index_or_role] = $group;
  
        return $this;
      }
code_tokens: public function addGroup ( $ name , $ group_index_or_role = 0 ) { $ group = new SignerGroup ( array ( 'name' => $ name ) ) ; $ this -> signers [ $ group_index_or_role ] = $ group ; return $ this ; }
docstring: Adds a Signer Group to the Signature Request
  
  @param  string $name Signer Group name
  @param  mixed $group_index_or_role Group Index or Signer Role. Defaults to 0.
  @return AbstractSignatureRequest
docstring_tokens: Adds a Signer Group to the Signature Request