Method onNext

src/main/java/io/reactivex/rxjava3/core/Emitter.java:35–35

Signal a normal value. @param value the value to signal, not null

(@NonNull T value)

     * @param value the value to signal, not {@code null}
     */
    void onNext(@NonNull T value);

    /**
     * Signal a {@link Throwable} exception.