rxMutate

inline fun <D : Mutation.Data> ApolloClient.rxMutate(mutation: Mutation<D>, configure: ApolloCall<D>.() -> ApolloCall<D> = { this }): Nothing
inline fun <D : Mutation.Data> ApolloClient.rxMutate(    mutation: Mutation<D>,     withOptimisticUpdates: D,     configure: ApolloCall<D>.() -> ApolloCall<D> = { this }): Nothing