public OutputFinisher getFinisher() {
    if (suffix == null) {
      throw new UnsupportedOperationException("already processed");
    }

    appendSuffixToOutput();
    return finisher;
  }
Gets the results of all the calls on this instance, in the form of an {@link OutputFinisher}.

@return {@code non-null;} the output finisher
@throws UnsupportedOperationException if this method has already been called
android/android_framework/dex-maker/src/main/java/com/android/dx/dex/code/OutputCollector.java