The downstream subscriber has requested a finite number of elements.
The downstream subscriber has requested a finite number of elements.
the number of elements requested
The downstream subscriber has requested an invalid number of elements.
The downstream subscriber has requested an invalid number of elements. This distinguishes a downstream error from an upstream error.
the number of elements requested. This is zero or negative.
Represents an operation by a downstream subscriber
Error for a downstream cancellation.
Error for a downstream cancellation. This distinguishes a cancellation from a normal completion.
The downstream subscriber has cancelled the subscription.
The downstream reactivestreams subscriber has requested an infinite number of elements