code: public static void writeString(@Nonnull String str, DataOutputView out) throws IOException {
  		checkNotNull(str);
  		StringValue.writeString(str, out);
  	}
docs: Writes a String to the given output.
  The written string can be read with {@link #readString(DataInputView)}.
  
  @param str The string to write
  @param out The output to write to
  
  @throws IOException Thrown, if the writing or the serialization fails.