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: exec_windows.go
    path of file: ./repos/agones/vendor/golang.org/x/sys/windows
    
    the code of the file until where you have to start completion: // Copyright 2009 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.

// Fork, exec, wait, etc.

package windows

import (
	errorspkg "errors"
	"unsafe"
)

// EscapeArg rewrites command line argument s as prescribed
// in http://msdn.microsoft.com/en-us/library/ms880421.
// This function returns "" (2 double quotes) if s is empty.
// Alternatively, these transformations are done:
//   - every back slash (\) is doubled, but only if immediately
//     followed by double quote (");
//   - every double quote (") is escaped by back slash (\);
//   - finally, s is wrapped with double quotes (arg -> "arg"),
//     but only if 
    
func NewProcThreadAttributeList(maxAttrCount uint32) (*ProcThreadAttributeListContainer, error) {
	var size uintptr
	err := initializeProcThreadAttributeList(nil, maxAttrCount, 0, &size)
	if err != ERROR_INSUFFICIENT_BUFFER {
		if err == nil {
			return nil, errorspkg.New("unable to query buffer size from InitializeProcThreadAttributeList")
		}
		return nil, err
	}
	alloc, err := LocalAlloc(LMEM_FIXED, uint32(size))
	if err != nil {
		return nil, err
	}
	// size is guaranteed to be ≥1 by InitializeProcThreadAttributeList.
	al := &ProcThreadAttributeListContainer{data: (*ProcThreadAttributeList)(unsafe.Pointer(alloc))}
	err = initializeProcThreadAttributeList(al.data, maxAttrCount, 0, &size)
	if err != nil {
		return nil, err
	}
	return al, err
}