original_string: public function isAccountValid($email)
      {
          $response = $this->rest->post(
              static::ACCOUNT_VALIDATE_PATH,
              array(
                  'email_address' => $email
              )
          );
  
          $this->checkResponse($response);
  
          return property_exists($response, 'account');
      }
code: public function isAccountValid($email)
      {
          $response = $this->rest->post(
              static::ACCOUNT_VALIDATE_PATH,
              array(
                  'email_address' => $email
              )
          );
  
          $this->checkResponse($response);
  
          return property_exists($response, 'account');
      }
code_tokens: public function isAccountValid ( $ email ) { $ response = $ this -> rest -> post ( static :: ACCOUNT_VALIDATE_PATH , array ( 'email_address' => $ email ) ) ; $ this -> checkResponse ( $ response ) ; return property_exists ( $ response , 'account' ) ; }
docstring: Returns true if an Account exists with the provided email address. Note
  this is limited to the visibility of the currently authenticated user.
  
  @param  string $email Email address to validate.
  @return boolean
  @throws BaseException
docstring_tokens: Returns true if an Account exists with the provided email address . Note this is limited to the visibility of the currently authenticated user .