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/UnresolvedTypesQuickFixTest.java
buf.append("import java.util.Vector;\n");
		buf.append("\n");
		buf.append("public class E {\n");
		buf.append("    Vector vec;\n");
		buf.append("}\n");
		String expected1= buf.toString();
		
		NewCUCompletionUsingWizardProposal newCUWizard= (NewCUCompletionUsingWizardProposal) proposals.get(1);
		String preview2= getWizardPreviewContent(newCUWizard);
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("\n");
		buf.append("public class Vector1 {\n");
		buf.append("\n");
		buf.append("}\n");
		String expected2= buf.toString();
		newCUWizard= (NewCUCompletionUsingWizardProposal) proposals.get(2);
		String preview3= getWizardPreviewContent(newCUWizard);
		
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("\n");
		buf.append("public interface Vector1 {\n");
		buf.append("\n");
		buf.append("}\n");
		String expected3= buf.toString();
		
		newCUWizard= (NewCUCompletionUsingWizardProposal) proposals.get(3);
		String preview4= getWizardPreviewContent(newCUWizard);