@Override
        Builder printArguments() {
            return addLine('echo "$*"')
        }

        @Override
        Builder printText(String text) {
            return addLine("echo '$text'")
        }

        @Override
        Builder printEnvironmentVariable(String variableName) {
            return addLine("echo $variableName=\$$variableName")
        }

        @Override

		for i, offset := range test.lines {
			f.AddLine(offset)
			if f.LineCount() != i+1 {
				t.Errorf("%s, AddLine: got line count %d; want %d", f.Name(), f.LineCount(), i+1)
			}
			// adding the same offset again should be ignored
			f.AddLine(offset)
			if f.LineCount() != i+1 {
				t.Errorf("%s, AddLine: got unchanged line count %d; want %d", f.Name(), f.LineCount(), i+1)
			}

	b.addLine(s, indent)
}

func writeFuncFooter(b *buffer, structName string, indent int) {
	b.addLine("}\n", indent) // Closes the map definition

	s := fmt.Sprintf("func (%s) SwaggerDoc() map[string]string {\n", structName)
	b.addLine(s, indent)
	s = fmt.Sprintf("return map_%s\n", structName)
	b.addLine(s, indent+1)
	b.addLine("}\n", indent) // Closes the function definition
}

		return err
	}

	r := &Retract{
		VersionInterval: vi,
	}
	if vi.Low == vi.High {
		r.Syntax = f.Syntax.addLine(nil, "retract", AutoQuote(vi.Low))
	} else {
		r.Syntax = f.Syntax.addLine(nil, "retract", "[", AutoQuote(vi.Low), ",", AutoQuote(vi.High), "]")
	}
	if rationale != "" {
		for _, line := range strings.Split(rationale, "\n") {

	p := NewFileSet()
	checkSerialize(t, p)
	// add some files
	for i := 0; i < 10; i++ {
		f := p.AddFile(fmt.Sprintf("file%d", i), p.Base()+i, i*100)
		checkSerialize(t, p)
		// add some lines and alternative file infos
		line := 1000
		for offs := 0; offs < f.Size(); offs += 40 + i {
			f.AddLine(offs)
			if offs%7 == 0 {
				f.AddLineInfo(offs, fmt.Sprintf("file%d", offs), line)
				line += 33
			}
		}

}

// addNewGodebug adds a new godebug key=value line at the end
// of the last godebug block, regardless of any existing godebug lines for key.
func (f *WorkFile) addNewGodebug(key, value string) {
	line := f.Syntax.addLine(nil, "godebug", key+"="+value)
	g := &Godebug{
		Key:    key,
		Value:  value,
		Syntax: line,
	}
	f.Godebug = append(f.Godebug, g)
}

func (f *WorkFile) DropGodebug(key string) error {

	widths  []int    // list of column widths in runes - re-used during formatting
}

// addLine adds a new line.
// flushed is a hint indicating whether the underlying writer was just flushed.
// If so, the previous line is not likely to be a good indicator of the new line's cells.
func (b *Writer) addLine(flushed bool) {
	// Grow slice instead of appending,
	// as that gives us an opportunity

// the new line is added after the block containing hint
// (or hint itself, if not in a block).
//
// If no hint is provided, addLine appends the line to the end of
// the last block with a matching first token,
// or to the end of the file if no such block exists.
func (x *FileSyntax) addLine(hint Expr, tokens ...string) *Line {
	if hint == nil {
		// If no hint given, add to the last statement of the given type.
	Loop:

			} else {
				text = text[j+1:]
				nl = '\r'
			}
		case i >= 0:
			ln, text = text[:i], text[i+1:]
			nl = '\n'
		default:
			ln, text = text, ""
		}
		ps.lineno++
		ps.addLine(line{text: ln, nl: nl})
	}
	ps.trimStack(0)

	for _, t := range ps.texts {
		t.Inline = ps.inline(t.raw)
	}

	if p.TaskListItems {
		for _, list := range ps.lists {
			ps.taskList(list)
		}

	infos []lineInfo
}

// Name returns the file name of file f as registered with AddFile.
func (f *File) Name() string {
	return f.name
}

// Base returns the base offset of file f as registered with AddFile.
func (f *File) Base() int {
	return f.base
}

// Size returns the size of file f as registered with AddFile.
func (f *File) Size() int {
	return f.size
}