@Nullable
	default LocalVariable getLocalVariable(int index) {
		return getLocalVariables().stream()
				.filter(v -> index == v.getIndex())
				.findFirst().orElse(null);
	}
@param index
		Local variable index.

@return Local variable at the index, or {@code null} if not known.
recaf-core/src/main/java/software/coley/recaf/info/member/MethodMember.java