You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: bimport.go
    path of file: ./repos/lgo/vendor/go/internal/gcimporter
    
    the code of the file until where you have to start completion: // Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package gcimporter

import (
	"encoding/binary"
	"fmt"
	"go/constant"
	"go/token"
	"go/types"
	"sort"
	"strconv"
	"strings"
	"sync"
	"unicode"
	"unicode/utf8"
)

type importer struct {
	imports    map[string]*typ
    
func (p *importer) param(named bool) (*types.Var, bool) {
	t := p.typ(nil, nil)
	td, isddd := t.(*dddSlice)
	if isddd {
		t = types.NewSlice(td.elem)
	}

	var pkg *types.Package
	var name string
	if named {
		name = p.string()
		if name == "" {
			errorf("expected named parameter")
		}
		if name != "_" {
			pkg = p.pkg()
		}
		if i := strings.Index(name, "Â·"); i > 0 {
			name = name[:i] // cut off gc-specific parameter numbering
		}
	}

	// read and discard compiler-specific info
	p.string()

	return types.NewVar(token.NoPos, pkg, name, t), isddd
}