Bug 76530 [options] Warn about unused local variables and private members
I think we should warn about unused local variables and unused private members by default. These things are errors akin to unused imports, which we already warn about.
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/UnresolvedMethodsQuickFixTest.java
buf.append("public class E {\n");
		buf.append("    public void run(int i) {\n");
		buf.append("    }\n");
		buf.append("    public class Inner {\n");
		buf.append("        public void run(int i) {\n");
		buf.append("            run(1);\n");
		buf.append("        }\n");
		buf.append("    }\n");
		buf.append("}\n");
		String expected3= buf.toString();
		
		proposal= (CUCorrectionProposal) proposals.get(3);
		String preview4= getPreviewContent(proposal);
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E {\n");
		buf.append("    public void run(int i) {\n");
		buf.append("    }\n");
		buf.append("    public class Inner {\n");
		buf.append("        public void run() {\n");
		buf.append("            run(1);\n");
		buf.append("        }\n");
		buf.append("\n");
		buf.append("        private void run(int i) {\n");
		buf.append("        }\n");
		buf.append("    }\n");
		buf.append("}\n");
		String expected4= buf.toString();		
		assertEqualStringsIgnoreOrder(new String[] { preview1, preview2, preview3, preview4 }, new String[] { expected1, expected2, expected3, expected4 });
	}