in pulsar-client-reactive-api/src/main/java/org/apache/pulsar/reactive/client/internal/api/InflightLimiter.java [105:112]
public <T> Publisher<T> transform(Publisher<T> publisher) {
if (publisher instanceof Mono<?>) {
return createOperator((Mono<T>) publisher);
}
else {
return createOperator(Flux.from(publisher));
}
}