Bug 123946 [quick assist] "Add keyword 'final' to all unchanged variables and properties"
This function can be provide with the "Format" function
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/CleanUpTest.java
buf.append("        i= j;\n");
		buf.append("        i= 20;\n");
		buf.append("    }\n");
		buf.append("}\n");
		ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", buf.toString(), false, null);
		
		CleanUpRefactoring refactoring= new CleanUpRefactoring();
		refactoring.addCompilationUnit(cu1);
		
		ICleanUp cleanUp1= new CodeStyleCleanUp(CodeStyleCleanUp.QUALIFY_FIELD_ACCESS);
		ICleanUp cleanUp2= new UnusedCodeCleanUp(UnusedCodeCleanUp.REMOVE_UNUSED_PRIVATE_FIELDS);
		refactoring.addCleanUp(cleanUp1);
		refactoring.addCleanUp(cleanUp2);
		
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("\n");
		buf.append("public class E1 {\n");
		buf.append("    private int j= 20;\n");
		buf.append("    \n");
		buf.append("    public void foo() {\n");
		buf.append("    }\n");
		buf.append("}\n");
		String expected1= buf.toString();
		
		assertRefactoringResultAsExpected(refactoring, new String[] {expected1});
	}
	
	public void testCombination02() throws Exception {
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);