question: return the singleton of this class . concode_field_sep String loggerFactoryClassStr concode_elem_sep StaticLoggerBinder SINGLETON concode_elem_sep String REQUESTED_API_VERSION concode_elem_sep ILoggerFactory loggerFactory concode_field_sep ILoggerFactory getLoggerFactory concode_elem_sep String getLoggerFactoryClassStr
target: StaticLoggerBinder function ( ) { return SINGLETON ; }