func (p *parser) parseImportSpec(doc *ast.CommentGroup, _ token.Token, _ int) ast.Spec {
	if p.trace {
		defer un(trace(p, "ImportSpec"))
	}

	var ident *ast.Ident
	switch p.tok {
	case token.IDENT:
		ident = p.parseIdent()
	case token.PERIOD:
		ident = &ast.Ident{NamePos: p.pos, Name: "."}
		p.next()
	}

	pos := p.pos
	var path string
	if p.tok == token.STRING {
		path = p.lit
		p.next()

// if src ends in a trailing newline, so will dst.
func Indent(dst *bytes.Buffer, src []byte, prefix, indent string) error {
	dst.Grow(indentGrowthFactor * len(src))
	b := dst.AvailableBuffer()
	b, err := appendIndent(b, src, prefix, indent)
	dst.Write(b)
	return err
}

func appendIndent(dst, src []byte, prefix, indent string) ([]byte, error) {
	origLen := len(dst)
	scan := newScanner()

			// Embedded type. Use the name of the type. It must be of the form ident or
			// pkg.ident (for structs and interfaces), or *ident or *pkg.ident (structs only).
			// Or a type embedded in a constraint.
			// Nothing else is allowed.
			ty := field.Type
			if se, ok := field.Type.(*ast.StarExpr); !isInterface && ok {
				// The form *ident or *pkg.ident is only valid on
				// embedded types in structs.
				ty = se.X
			}

	if err != nil {
		panic(err) // error in test
	}

	for indent := 0; indent < 4; indent++ {
		indent := indent
		t.Run(fmt.Sprint(indent), func(t *testing.T) {
			t.Parallel()
			var buf bytes.Buffer
			(&Config{Tabwidth: tabwidth, Indent: indent}).Fprint(&buf, fset, file)
			// all code must be indented by at least 'indent' tabs
			lines := bytes.Split(buf.Bytes(), []byte{'\n'})
			for i, line := range lines {

}

func writeFuncHeader(b *buffer, structName string, indent int) {
	s := fmt.Sprintf("var map_%s = map[string]string {\n", structName)
	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)

	. "internal/types/errors"
	"strings"
)

// ident type-checks identifier e and initializes x with the value or type of e.
// If an error occurred, x.mode is set to invalid.
// For the meaning of def, see Checker.definedType, below.
// If wantType is set, the identifier e is expected to denote a type.
func (check *Checker) ident(x *operand, e *ast.Ident, def *TypeName, wantType bool) {
	x.mode = invalid
	x.expr = e

	// (and use 0 indentation at function start)
	defer func(env environment, indent int) {
		check.environment = env
		check.indent = indent
	}(check.environment, check.indent)
	check.environment = environment{
		decl:  decl,
		scope: sig.scope,
		iota:  iota,
		sig:   sig,
	}
	check.indent = 0

	check.stmtList(0, body.List)

	if check.hasLabel {
		check.labels(body)
	}

				// won't indent again. If we didn't (ws == indent), identList will
				// indent if the identList spans multiple lines, and it will outdent
				// again at the end (and still ws == indent). Thus, a subsequent indent
				// by a linebreak call after a type, or in the next multi-line identList
				// will do the right thing.
				p.identList(par.Names, ws == indent)
				p.print(blank)
			}

	// write entries
	for i := 0; i < n; i++ {
		switch ch := p.wsbuf[i]; ch {
		case ignore:
			// ignore!
		case indent:
			p.indent++
		case unindent:
			p.indent--
			if p.indent < 0 {
				p.internalError("negative indentation:", p.indent)
				p.indent = 0
			}
		case newline, formfeed:
			// A line break immediately followed by a "correcting"

// Must only be called by definedType or genericType.
func (check *Checker) typInternal(e0 syntax.Expr, def *TypeName) (T Type) {
	if check.conf.Trace {
		check.trace(e0.Pos(), "-- type %s", e0)
		check.indent++
		defer func() {
			check.indent--
			var under Type
			if T != nil {
				// Calling under() here may lead to endless instantiations.
				// Test case: type T[P any] *T[P]
				under = safeUnderlying(T)
			}