function o(k, w, E, S) {
      this.type = k, this.content = w, this.alias = E, this.length = (S || "").length | 0;
    }
Runs a hook invoking all registered callbacks with the given environment variables.

Callbacks will be invoked synchronously and in the order in which they were registered.

@param {string} name The name of the hook.
@param {Object<string, any>} env The environment variables of the hook passed to all callbacks registered.
@public