# E0167: "globals" descriptor "writable" property must be a boolean

In a quick-lint-js configuration file, a entry in `"globals"` can have a descriptor object. A descriptor's `"writable"` property must be either `true`, `false`, or omitted.

    {
        "globals": {
            "gsap": {
              "writable": 0
            }
        }
    }

To fix this error, make the `"writable"` property `true` or `false`:

    {
        "globals": {
            "gsap": {
              "writable": false
            }
        }
    }

Introduced in quick-lint-js version 0.4.0.

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