    public HgVersion version() {
        CommandLine hg = createCommandLine("hg").withArgs("version").withEncoding("utf-8");
        String hgOut = execute(hg, new NamedProcessTag("hg version check")).outputAsString();
        return HgVersion.parse(hgOut);
    }
The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.