@Nullable
	private LocalVariable findVar(int index) {
		if (methodVariables == null) return null;
		return methodVariables.stream()
				.filter(l -> l.getIndex() == index)
				.findFirst().orElse(null);
	}
@param index
		Local variable index.

@return Variable entry from the target method, or {@code null} if not known.
recaf-core/src/main/java/software/coley/recaf/services/compile/stub/ExpressionHostingClassStubGenerator.java