single

@NotNull

@CheckReturnValue

open fun <T : Operation.Data?> single(@NotNull call: ApolloCall<T>, @NotNull backpressureStrategy: BackpressureStrategy): Single<ApolloResponse<T>>

@NotNull

@CheckReturnValue

open fun <T : Operation.Data?> single(@NotNull call: ApolloCall<T>): Single<ApolloResponse<T>>