if (isRenameProhibited(method))
if (unit.isReadOnly())
	public static boolean isRenameAvailable(final IMethod method) throws CoreException {		if (method == null)			return false;		if (!Checks.isAvailable(method))			return false;		if (method.isConstructor())			return false;		if (isRenameProhibited(method))			return false;		return true;	}