Bug 25246 filecomment template does not accept '//' comments [wizards]
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/wizards/NewTypeWizardPage.java
imports= new ImportsStructure(createdWorkingCopy, prefOrder, threshold, false);
				
				imports.addImport(pack.getElementName(), getTypeName());
				
				String content= constructTypeStub(new ImportsManager(imports), lineDelimiter, createdWorkingCopy);
				createdType= createdWorkingCopy.createType(content, null, false, new SubProgressMonitor(monitor, 3));
			} else {
				IType enclosingType= getEnclosingType();
				
				
				
				IType workingCopy= (IType) EditorUtility.getWorkingCopy(enclosingType);
				if (workingCopy != null) {
					enclosingType= workingCopy;
				}
	
				ICompilationUnit parentCU= enclosingType.getCompilationUnit();
				imports= new ImportsStructure(parentCU, prefOrder, threshold, true);
	
				
				IType[] topLevelTypes= parentCU.getTypes();
				for (int i= 0; i < topLevelTypes.length; i++) {
					imports.addImport(topLevelTypes[i].getFullyQualifiedName('.'));
				}
				
				lineDelimiter= StubUtility.getLineDelimiterUsed(enclosingType);
				String content= constructTypeStub(new ImportsManager(imports), lineDelimiter, parentCU);
				IJavaElement[] elems= enclosingType.getChildren();
				IJavaElement sibling= elems.length > 0 ? elems[0] : null;