An exception emitted on buffer overflow, like when using OverflowStrategy.Fail.
A composite exception represents a list of exceptions that were caught while delaying errors in the processing of observables.
Moved to monix.execution.exceptions.DownstreamTimeoutException.
(Since version 2.2.2) Moved to monix.execution.UpstreamTimeoutException
Moved to monix.execution.exceptions.DownstreamTimeoutException.
(Since version 2.2.2) Use monix.execution.exceptions.APIContractViolationException