# Package io.vertx.core.streams

- Interface Summary
  Interface | Description
  --- | ---
  Pump | Pumps data from a `ReadStream` to a `WriteStream` and performs flow control where necessary to prevent the write stream buffer from getting overfull.
  ReadStream<T> | Represents a stream of items that can be read from.
  StreamBase | Base interface for a stream.
  WriteStream<T> | Represents a stream of data that can be written to.

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