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/AssistQuickFixTest.java
buf.append("            ;\n");
		buf.append("        else if (true) {\n");
		buf.append("            ;\n");
		buf.append("        } else if (false)\n");
		buf.append("            ;\n");
		buf.append("        else\n");
		buf.append("            ;\n");
		buf.append("    }\n");
		buf.append("}\n");
		ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
		
		String str= "else if (";
		AssistContext context= getCorrectionContext(cu, buf.toString().indexOf(str), 0);
		List proposals= collectAssists(context, false);
		
		assertNumberOfProposals(proposals, 3);
		assertCorrectLabels(proposals);
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E {\n");
		buf.append("    public void foo() {\n");
		buf.append("        if (true)\n");
		buf.append("            ;\n");
		buf.append("        else {\n");
		buf.append("            if (true) {\n");
		buf.append("                ;\n");
		buf.append("            } else if (false)\n");
		buf.append("                ;\n");
		buf.append("            else\n");
		buf.append("                ;\n");