@Nonnull
		private static String mapCodePoint(int cp) {
			return (Character.isLetterOrDigit(cp) || cp == '/' || cp == '$' || cp == '_') ?
					Character.toString(Character.toChars(cp)[0]) : ("_");
		}
@return Number of generic names <i>(field/method names, etc)</i> renamed.
recaf-core/src/main/java/software/coley/recaf/util/visitors/BogusNameRemovingVisitor.java