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/JavadocQuickFixTest.java
String expected= buf.toString();
		assertEqualString(preview1, expected);
	}
	
	public void testRemoveReturnTag1() throws Exception {
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("/**\n");
		buf.append(" */\n");
		buf.append("public class E {\n");
		buf.append("    /**\n");
		buf.append("     * @param a\n");
		buf.append("     *      comment on second line.\n");
		buf.append("     * @return Returns the result.\n");
		buf.append("     *      comment on second line.\n");
		buf.append("     * @exception Exception\n");
		buf.append("     */\n");
		buf.append("    public void foo(int a) throws Exception {\n");
		buf.append("    }\n");
		buf.append("}\n");
		ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
		
		ArrayList proposals= collectCorrections2(cu, 1);
		assertNumberOfProposals(proposals, 1);
		assertCorrectLabels(proposals);
		
		CUCorrectionProposal proposal= (CUCorrectionProposal) proposals.get(0);
		String preview1= getPreviewContent(proposal);