.addSourceLine(methodGen, sourceFile, location.getHandle());
.addSourceLine(classContext, methodGen, sourceFile, location.getHandle());
	private void reportNullDeref(			WarningPropertySet propertySet,			ClassContext classContext,			Method method,			Location location,			String type,			int priority) {		MethodGen methodGen = classContext.getMethodGen(method);		String sourceFile = classContext.getJavaClass().getSourceFileName();		BugInstance bugInstance = new BugInstance(this, type, priority)		        .addClassAndMethod(methodGen, sourceFile)		        .addSourceLine(methodGen, sourceFile, location.getHandle());		if (DEBUG)			bugInstance.addInt(location.getHandle().getPosition()).describe("INT_BYTECODE_OFFSET");		if (FindBugsAnalysisFeatures.isRelaxedMode()) {			WarningPropertyUtil.addPropertiesForLocation(propertySet, classContext, method, location);			propertySet.decorateBugInstance(bugInstance);		}				bugReporter.reportBug(bugInstance);	}