CleanUp after the logger is closed.

DebugfWithElapsedTime writes a new debug format line, including a field with elapsed time call with defer at the start of a function: defer DebugWithElapsedTime(logger, time.Now(), "test %v", "test").

DebugWithElapsedTime writes a new debug line, including a field with elapsed time call with defer at the start of a function: defer DebugWithElapsedTime(logger, time.Now(), "test").

GetLoggerInstance returns singleton instance of the logger.

InitializeLogger with various properties.

ErrLoggerNotInitialized is thrown when uninitialized logger instance is requested.