original_string: public function getInvoiceAddress() : ?string 
      {
          if ( ! $this->hasInvoiceAddress()) {
              $this->setInvoiceAddress($this->getDefaultInvoiceAddress());
          }
          return $this->invoiceAddress;
      }
code: public function getInvoiceAddress() : ?string 
      {
          if ( ! $this->hasInvoiceAddress()) {
              $this->setInvoiceAddress($this->getDefaultInvoiceAddress());
          }
          return $this->invoiceAddress;
      }
code_tokens: public function getInvoiceAddress ( ) : ? string { if ( ! $ this -> hasInvoiceAddress ( ) ) { $ this -> setInvoiceAddress ( $ this -> getDefaultInvoiceAddress ( ) ) ; } return $ this -> invoiceAddress ; }
docstring: Get invoice address
  
  If no "invoice address" value has been set, this method will
  set and return a default "invoice address" value,
  if any such value is available
  
  @see getDefaultInvoiceAddress()
  
  @return string|null invoice address or null if no invoice address has been set
docstring_tokens: Get invoice address