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/core/AddUnimplementedConstructorsTest.java
"\n" + 
				"    /** Constructor Comment\n" + 
				"     * @param a\n" + 
				"     */\n" + 
				"    public Test1(int a) {\n" + 
				"        super(a);\n" + 
				"        // TODO\n" + 
				"    }\n" + 
				"\n" + 
				"    /** Constructor Comment\n" + 
				"     * @param a\n" + 
				"     * @param boo\n" + 
				"     * @param fooString\n" + 
				"     * @param bologna\n" + 
				"     */\n" + 
				"    public Test1(int a, boolean boo, String fooString, int bologna) {\n" + 
				"        super(a, boo, fooString, bologna);\n" + 
				"        // TODO\n" + 
				"    }\n" + 
				"\n" + 
				"    /** Constructor Comment\n" + 
				"     * @param a\n" + 
				"     * @param boo\n" + 
				"     * @param fooString\n" + 
				"     * @param buf\n" + 
				"     */\n" + 
				"    public Test1(int a, boolean boo, String fooString, StringBuffer buf) {\n" + 
				"        super(a, boo, fooString, buf);\n" + 
				"        // TODO\n" + 
				"    }\n" +