elk-util-parent/elk-util-logging/src/main/java/org/semanticweb/elk/util/logging/Statistics.java
public static void logOperationFinish(String operationName, Logger logger) {
		logOperationFinish(operationName, logger, LogLevel.INFO);
	}
public static void logOperationFinish(String operationName, Logger logger) {
		logOperationFinish(operationName, logger, LogLevel.INFO);
	}
Log the end of a particular operation the beginning of which has been
logged using logOperationStart(), using INFO priority.

@param operationName
@param logger