@Nonnull
		@Override
		public String getMappedVariableName(@Nonnull String className, @Nonnull String methodName,
		                                    @Nonnull String methodDesc, @Nullable String name,
		                                    @Nullable String desc, int index) {
			return lookup.computeIfAbsent(methodName, this::itemName);
		}
@return Number of generic names <i>(field/method names, etc)</i> renamed.
recaf-core/src/main/java/software/coley/recaf/util/visitors/BogusNameRemovingVisitor.java