@Min(0)
		public int getBufferSize() {
			return bufferSize;
		}
Adds a {@code bufferSize} option (default 2048), to be used alongside a decoder/encoder (or both) option.

@author Eric Bottard
extensions/spring-xd-extension-encoder-support/src/main/java/org/springframework/xd/tcp/encdec/EncoderDecoderMixins.java