bel: "text/css", hasValue: false },
        { value: "text/plain", label: "text/plain", hasValue: false },
        { value: "text/html", label: "text/html", hasValue: false },
        { value: "application/json", label: "application/json", hasValue: false },
        { value: "application/octet-stream", label: "application/octet-stream", hasValue: false },
        { value: "application/pdf", label: "application/pdf", hasValue: false },
        { value: "application/xml", label: "application/xml", hasValue: f