// from each line in lines, returning a copy of lines in which
// those prefixes have been trimmed from each line.
// It also replaces any lines containing only spaces with blank lines (empty strings).
func unindent(lines []string) []string {
	// Trim leading and trailing blank lines.
	for len(lines) > 0 && isBlank(lines[0]) {
		lines = lines[1:]
	}
	for len(lines) > 0 && isBlank(lines[len(lines)-1]) {
		lines = lines[:len(lines)-1]
	}

     */
    public ImmutableList<String> getLines() {
        return lines;
    }

    /**
     * Returns the first line. The text does not include the line separator.
     */
    public String getFirst() {
        return lines.get(0);
    }

    /**
     * Visits each line in this content. The line does not include the line separator.
     */

	String() string

	// Lines returns the number of lines in the buffer. Note that more precisely, this
	// returns the number of times Write() or WriteBytes() was called; it assumes that
	// you never wrote any newlines to the buffer yourself.
	Lines() int
}

var _ logr.Marshaler = &realLineBuffer{}

type realLineBuffer struct {
	b     bytes.Buffer
	lines int
}

        def process = ['readelf', '-d', binaryFile.absolutePath].execute()
        List<String> lines = process.inputStream.readLines()
        return readSoName(lines)
    }

    @VisibleForTesting
    static String readSoName(List<String> lines) {
        final Pattern pattern = ~/^.*\(SONAME\)\s+.*soname.*\: \[(.*)\]$/
        String matchingLine = lines.find {
            pattern.matcher(it).matches()
        }

    writeLines(lines, System.getProperty("line.separator"));
  }

  /**
   * Writes the given lines of text to this sink with each line (including the last) terminated with
   * the given line separator.
   *
   * @throws IOException if an I/O error occurs while writing to this sink
   */
  public void writeLines(Iterable<? extends CharSequence> lines, String lineSeparator)

        filterable.apply {
            filter<StripJavaComments>()
            filter<HeadFilter>("lines" to 25, "skip" to 1)
            filter<HeadFilter>(mapOf("lines" to 52, "skip" to 2))
            filter(StripJavaComments::class)
            filter(HeadFilter::class, "lines" to 25, "skip" to 3)
            filter(HeadFilter::class, mapOf("lines" to 52, "skip" to 4))
        }

        inOrder(filterable) {

	{
		"argumented macro invoked without arguments",
		lines(
			"#define X() foo ",
			"X()",
			"X",
		),
		"foo.\n.X.\n",
	},
	{
		"multiline macro without arguments",
		lines(
			"#define A 1\\",
			"\t2\\",
			"\t3",
			"before",
			"A",
			"after",
		),
		"before.\n.1.\n.2.\n.3.\n.after.\n",
	},
	{
		"multiline macro with arguments",
		lines(
			"#define A(a, b, c) a\\",
			"\tb\\",

    TestCharSource lines = new TestCharSource(LINES);
    assertEquals("foo", lines.readFirstLine());
    assertTrue(lines.wasStreamOpened() && lines.wasStreamClosed());
  }

  public void testReadLines_toList() throws IOException {
    TestCharSource lines = new TestCharSource(LINES);
    assertEquals(ImmutableList.of("foo", "bar", "baz", "something"), lines.readLines());

}

func (lines lines) write(w io.Writer) {
	// determine column widths and contents
	var widths []int
	var number []bool
	for _, line := range lines {
		for i, col := range line {
			if i < len(widths) {
				if len(col) > widths[i] {
					widths[i] = len(col)
				}
			} else {
				widths = append(widths, len(col))
				number = append(number, isnumber(col)) // first line determines column contents
			}

        lines = file("output.txt").text.readLines()

        then:
        lines.containsAll([
                'error',
                'System.out',
                'System.err'
        ])

        and:
        !lines.contains('debug')
        !lines.contains('info')
        !lines.contains('lifecycle')
        !lines.contains('warn')
    }