import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableList;
import com.google.common.hash.Hashing;
import com.google.common.primitives.Bytes;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintWriter;

import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableList;
import com.google.common.hash.Hashing;
import com.google.common.primitives.Bytes;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintWriter;

    }

    /**
     * Wraps the reader with a {@link BufferedReader} if necessary.
     *
     * @param reader the reader
     * @return the wrapped reader
     */
    protected static Reader wrap(final Reader reader) {
        if (reader instanceof BufferedReader) {
            return reader;
        }
        if (reader instanceof StringReader) {

   *     helpful predefined constants
   * @return the buffered reader
   */
  public static BufferedReader newReader(File file, Charset charset) throws FileNotFoundException {
    checkNotNull(file);
    checkNotNull(charset);
    return new BufferedReader(new InputStreamReader(new FileInputStream(file), charset));
  }

  /**

   *     helpful predefined constants
   * @return the buffered reader
   */
  public static BufferedReader newReader(File file, Charset charset) throws FileNotFoundException {
    checkNotNull(file);
    checkNotNull(charset);
    return new BufferedReader(new InputStreamReader(new FileInputStream(file), charset));
  }

  /**

   *
   * {@snippet :
   * final ClosingFuture<BufferedReader> file1ReaderFuture = ...;
   * final ClosingFuture<BufferedReader> file2ReaderFuture = ...;
   * ListenableFuture<Integer> numberOfDifferentLines =
   *       ClosingFuture.whenAllSucceed(file1ReaderFuture, file2ReaderFuture)
   *           .call(
   *               (closer, peeker) -> {
   *                 BufferedReader file1Reader = peeker.getDone(file1ReaderFuture);

void close(); public boolean isDone(); private void feed() throws java.io.IOException; } org/codehaus/plexus/util/cli/StreamPumper.class package org.codehaus.plexus.util.cli; public synchronized class StreamPumper extends Thread { private java.io.BufferedReader in; private StreamConsumer consumer; private java.io.PrintWriter out; private static final int SIZE = 1024; boolean done; public void StreamPumper(java.io.InputStream); public void StreamPumper(java.io.InputStream, StreamConsumer); public void...