vue/no-reserved-keys 
disallow overwriting reserved keys
- ⚙️ This rule is included in all of 
"plugin:vue/vue3-essential",*.configs["flat/essential"],"plugin:vue/essential",*.configs["flat/vue2-essential"],"plugin:vue/vue3-strongly-recommended",*.configs["flat/strongly-recommended"],"plugin:vue/strongly-recommended",*.configs["flat/vue2-strongly-recommended"],"plugin:vue/vue3-recommended",*.configs["flat/recommended"],"plugin:vue/recommended"and*.configs["flat/vue2-recommended"]. 
📖 Rule Details 
This rule prevents to use reserved names to avoid conflicts and unexpected behavior.
🔧 Options 
json
{
  "vue/no-reserved-keys": ["error", {
    "reserved": [],
    "groups": []
  }]
}reserved(string[]) ... Array of additional restricted attributes insidegroups. Default is empty.groups(string[]) ... Array of additional group names to search for duplicates in. Default is empty.
"reserved": ["foo", "foo2"], "groups": ["firebase"] 
📚 Further Reading 
🚀 Version 
This rule was introduced in eslint-plugin-vue v3.9.0