[youtubei.js](../../../README.md) / [Generator](../README.md) / mergeKeyInfo # Function: mergeKeyInfo() > **mergeKeyInfo**(`key_info`, `new_key_info`): `object` Merges two sets of key info, resolving any conflicts ## Parameters • **key\_info**: [`KeyInfo`](../type-aliases/KeyInfo.md) The current key info • **new\_key\_info**: [`KeyInfo`](../type-aliases/KeyInfo.md) The new key info ## Returns `object` The merged key info ### changed\_keys > **changed\_keys**: [`string`, [`InferenceType`](../type-aliases/InferenceType.md)][] ### resolved\_key\_info > **resolved\_key\_info**: [`string`, [`InferenceType`](../type-aliases/InferenceType.md)][] ## Defined in [src/parser/generator.ts:734](https://github.com/LuanRT/YouTube.js/blob/e54e499ff553dab51e6d9d1aebc090b50fec29ba/src/parser/generator.ts#L734)