| Interface | Description | 
|---|---|
| Log | 
 Interface that must be implemented the loggers returned by any 
  
LogFactory implementation. | 
| LogFactory | 
 Custom logging implementations that are to be used by PDFTextStream (and therefore
 registered with the  
LoggingRegistry class)
 must implement this interface. | 
| Class | Description | 
|---|---|
| LoggingRegistry | 
 
 This class is provided to allow applications that use PDFTextStream to supply
 custom logging implementations. 
 |