*/
  @CanIgnoreReturnValue // some processors won't return a useful result
  @ParametricNullness
  public static <T extends @Nullable Object> T readLines(
      URL url, Charset charset, LineProcessor<T> callback) throws IOException {
    return asCharSource(url, charset).readLines(callback);
  }

  /**
   * Reads all of the lines from a URL. The lines do not include line-termination characters, but do

  @ParametricNullness
  public <T extends @Nullable Object> T readLines(LineProcessor<T> processor) throws IOException {
    checkNotNull(processor);

    Closer closer = Closer.create();
    try {
      Reader reader = closer.register(openStream());
      return CharStreams.readLines(reader, processor);
    } catch (Throwable e) {
      throw closer.rethrow(e);
    } finally {

   * @throws IOException if an I/O error occurs
   */
  public static List<String> readLines(File file, Charset charset) throws IOException {
    // don't use asCharSource(file, charset).readLines() because that returns
    // an immutable list, which would change the behavior of this method
    return asCharSource(file, charset)
        .readLines(
            new LineProcessor<List<String>>() {

   * line-termination characters, but do include other leading and trailing whitespace.
   *
   * <p>Does not close the {@code Readable}. If reading files or resources you should use the {@link
   * Files#readLines} and {@link Resources#readLines} methods.
   *
   * <p>This method prioritizes convenience over performance: It reads the entire input into memory
   * immediately. To instead read and process lines individually, use an alternative like {@link

import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.io.IOException;
import org.jspecify.annotations.Nullable;

/**
 * A callback to be used with the streaming {@code readLines} methods.
 *
 * <p>{@link #processLine} will be called for each line that is read, and should return {@code
 * false} when you want to stop processing.
 *
 * @author Miles Barr
 * @since 1.0
 */
@J2ktIncompatible

     */
    protected
    fun parseReleaseNotes(): Triple<List<String>, List<String>, List<String>> {
        val releaseNotesLines: List<String> = releaseNotes.asFile.get().readLines()
        val contributorSectionBeginIndex = releaseNotesLines.indexOfFirst { it.startsWith("We would like to thank the following community members for their contributions to this release of Gradle:") } + 1

    try {
      return new CharSource() {
        @Override
        public Reader openStream() throws IOException {
          return new StringReader(string);
        }
      }.readLines();
    } catch (IOException e) {
      throw new AssertionError();
    }
  }

  @Override
  public void tearDown() throws IOException {
    factory.tearDown();
  }

    } else {
      assertThat(source.readFirstLine()).isEqualTo(expectedLines.get(0));
    }
  }

  public void testReadLines_toList() throws IOException {
    assertExpectedLines(source.readLines());
  }

  public void testIsEmpty() throws IOException {
    assertEquals(expected.isEmpty(), source.isEmpty());
  }

  public void testLength() throws IOException {

            return collector;
          }
        };
    assertThat(Files.readLines(temp, UTF_8, collect)).isEmpty();

    PrintWriter w = new PrintWriter(Files.newWriter(temp, UTF_8));
    w.println("hello");
    w.println("");
    w.println(" world  ");
    w.println("");
    w.close();
    Files.readLines(temp, UTF_8, collect);

	}

	line, isPrefix, err := l.ReadLine()
	if err != io.EOF {
		t.Errorf("expected EOF from ReadLine, got '%s' %t %s", line, isPrefix, err)
	}
}

func TestReadLineNonNilLineOrError(t *testing.T) {
	r := NewReader(strings.NewReader("line 1\n"))
	for i := 0; i < 2; i++ {
		l, _, err := r.ReadLine()
		if l != nil && err != nil {