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("                if (b) {\n");
		buf.append("                    System.out.println(1);\n");
		buf.append("                } else if (q) {\n");
		buf.append("                    System.out.println(2);\n");
		buf.append("                } else {\n");
		buf.append("                    System.out.println(3);\n");
		buf.append("                }\n");
		buf.append("            }\n");
		buf.append("        }\n");
		buf.append("        for (;b;) {\n");
		buf.append("            for (;q;) {\n");
		buf.append("                \n");
		buf.append("            }\n");
		buf.append("        }\n");
		buf.append("    }\n");
		buf.append("}\n");
		String expected1= buf.toString();
		
		assertRefactoringResultAsExpected(refactoring, new String[] {expected1});
	}
	
	public void testCodeStyle20() throws Exception {
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E1 {\n");
		buf.append("    public boolean b, q;\n");
		buf.append("    public void foo() {\n");
		buf.append("        while (b)\n");
		buf.append("            while (q)\n");