Constructs a new SaveMediaListEntryMutation instance.
The authentication token.
saveMediaListEntry is a method that sends a mutation request to save a media list entry.
An object of type SaveMediaListEntryVariables representing the variables for the mutation.
A Promise that resolves to the response from the mutation request.
Will throw an error if the mutation request fails or if the provided variables do not pass the validation checks.
SaveMediaListEntryMutationis a class representing a mutation to save a media list entry. It includes a method to save a media list entry.