request_PersistentMenu_ffjson.go

// DO NOT EDIT!
// Code generated by ffjson <https://github.com/pquerna/ffjson>
// source: request_PersistentMenu.go
// DO NOT EDIT!

package fbmbotapi

import (
	"bytes"
	"encoding/json"
	"errors"
	"fmt"
	fflib "github.com/pquerna/ffjson/fflib/v1"
)

// MarshalJSON marshal bytes to json - template
func (j *MenuItemBase) MarshalJSON() ([]byte, error) {
	var buf fflib.Buffer
	if j == nil {
		buf.WriteString("null")
		return buf.Bytes(), nil
	}
	err := j.MarshalJSONBuf(&buf)
	if err != nil {
		return nil, err
	}
	return buf.Bytes(), nil
}

// MarshalJSONBuf marshal buff to json - template
func (j *MenuItemBase) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
	if j == nil {
		buf.WriteString("null")
		return nil
	}
	var err error
	var obj []byte
	_ = obj
	_ = err
	buf.WriteString(`{"type":`)
	fflib.WriteJsonString(buf, string(j.Type))
	buf.WriteString(`,"title":`)
	fflib.WriteJsonString(buf, string(j.Title))
	buf.WriteByte('}')
	return nil
}

const (
	ffjtMenuItemBasebase = iota
	ffjtMenuItemBasenosuchkey

	ffjtMenuItemBaseType

	ffjtMenuItemBaseTitle
)

var ffjKeyMenuItemBaseType = []byte("type")

var ffjKeyMenuItemBaseTitle = []byte("title")

// UnmarshalJSON umarshall json - template of ffjson
func (j *MenuItemBase) UnmarshalJSON(input []byte) error {
	fs := fflib.NewFFLexer(input)
	return j.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
}

// UnmarshalJSONFFLexer fast json unmarshall - template ffjson
func (j *MenuItemBase) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
	var err error
	currentKey := ffjtMenuItemBasebase
	_ = currentKey
	tok := fflib.FFTok_init
	wantedTok := fflib.FFTok_init

mainparse:
	for {
		tok = fs.Scan()
		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
		if tok == fflib.FFTok_error {
			goto tokerror
		}

		switch state {

		case fflib.FFParse_map_start:
			if tok != fflib.FFTok_left_bracket {
				wantedTok = fflib.FFTok_left_bracket
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_key
			continue

		case fflib.FFParse_after_value:
			if tok == fflib.FFTok_comma {
				state = fflib.FFParse_want_key
			} else if tok == fflib.FFTok_right_bracket {
				goto done
			} else {
				wantedTok = fflib.FFTok_comma
				goto wrongtokenerror
			}

		case fflib.FFParse_want_key:
			// json {} ended. goto exit. woo.
			if tok == fflib.FFTok_right_bracket {
				goto done
			}
			if tok != fflib.FFTok_string {
				wantedTok = fflib.FFTok_string
				goto wrongtokenerror
			}

			kn := fs.Output.Bytes()
			if len(kn) <= 0 {
				// "" case. hrm.
				currentKey = ffjtMenuItemBasenosuchkey
				state = fflib.FFParse_want_colon
				goto mainparse
			} else {
				switch kn[0] {

				case 't':

					if bytes.Equal(ffjKeyMenuItemBaseType, kn) {
						currentKey = ffjtMenuItemBaseType
						state = fflib.FFParse_want_colon
						goto mainparse

					} else if bytes.Equal(ffjKeyMenuItemBaseTitle, kn) {
						currentKey = ffjtMenuItemBaseTitle
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				}

				if fflib.SimpleLetterEqualFold(ffjKeyMenuItemBaseTitle, kn) {
					currentKey = ffjtMenuItemBaseTitle
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.SimpleLetterEqualFold(ffjKeyMenuItemBaseType, kn) {
					currentKey = ffjtMenuItemBaseType
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				currentKey = ffjtMenuItemBasenosuchkey
				state = fflib.FFParse_want_colon
				goto mainparse
			}

		case fflib.FFParse_want_colon:
			if tok != fflib.FFTok_colon {
				wantedTok = fflib.FFTok_colon
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_value
			continue
		case fflib.FFParse_want_value:

			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
				switch currentKey {

				case ffjtMenuItemBaseType:
					goto handle_Type

				case ffjtMenuItemBaseTitle:
					goto handle_Title

				case ffjtMenuItemBasenosuchkey:
					err = fs.SkipField(tok)
					if err != nil {
						return fs.WrapErr(err)
					}
					state = fflib.FFParse_after_value
					goto mainparse
				}
			} else {
				goto wantedvalue
			}
		}
	}

handle_Type:

	/* handler: j.Type type=fbm_api.MenuItemType kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for MenuItemType", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			j.Type = MenuItemType(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_Title:

	/* handler: j.Title type=string kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			j.Title = string(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

wantedvalue:
	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
wrongtokenerror:
	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
tokerror:
	if fs.BigError != nil {
		return fs.WrapErr(fs.BigError)
	}
	err = fs.Error.ToError()
	if err != nil {
		return fs.WrapErr(err)
	}
	panic("ffjson-generated: unreachable, please report bug.")
done:

	return nil
}

// MarshalJSON marshal bytes to json - template
func (j *MenuItemNested) MarshalJSON() ([]byte, error) {
	var buf fflib.Buffer
	if j == nil {
		buf.WriteString("null")
		return buf.Bytes(), nil
	}
	err := j.MarshalJSONBuf(&buf)
	if err != nil {
		return nil, err
	}
	return buf.Bytes(), nil
}

// MarshalJSONBuf marshal buff to json - template
func (j *MenuItemNested) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
	if j == nil {
		buf.WriteString("null")
		return nil
	}
	var err error
	var obj []byte
	_ = obj
	_ = err
	buf.WriteString(`{"call_to_actions":`)
	if j.CallToActions != nil {
		buf.WriteString(`[`)
		for i, v := range j.CallToActions {
			if i != 0 {
				buf.WriteString(`,`)
			}
			/* Interface types must use runtime reflection. type=fbm_api.MenuItem kind=interface */
			err = buf.Encode(v)
			if err != nil {
				return err
			}
		}
		buf.WriteString(`]`)
	} else {
		buf.WriteString(`null`)
	}
	buf.WriteString(`,"type":`)
	fflib.WriteJsonString(buf, string(j.Type))
	buf.WriteString(`,"title":`)
	fflib.WriteJsonString(buf, string(j.Title))
	buf.WriteByte('}')
	return nil
}

const (
	ffjtMenuItemNestedbase = iota
	ffjtMenuItemNestednosuchkey

	ffjtMenuItemNestedCallToActions

	ffjtMenuItemNestedType

	ffjtMenuItemNestedTitle
)

var ffjKeyMenuItemNestedCallToActions = []byte("call_to_actions")

var ffjKeyMenuItemNestedType = []byte("type")

var ffjKeyMenuItemNestedTitle = []byte("title")

// UnmarshalJSON umarshall json - template of ffjson
func (j *MenuItemNested) UnmarshalJSON(input []byte) error {
	fs := fflib.NewFFLexer(input)
	return j.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
}

// UnmarshalJSONFFLexer fast json unmarshall - template ffjson
func (j *MenuItemNested) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
	var err error
	currentKey := ffjtMenuItemNestedbase
	_ = currentKey
	tok := fflib.FFTok_init
	wantedTok := fflib.FFTok_init

mainparse:
	for {
		tok = fs.Scan()
		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
		if tok == fflib.FFTok_error {
			goto tokerror
		}

		switch state {

		case fflib.FFParse_map_start:
			if tok != fflib.FFTok_left_bracket {
				wantedTok = fflib.FFTok_left_bracket
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_key
			continue

		case fflib.FFParse_after_value:
			if tok == fflib.FFTok_comma {
				state = fflib.FFParse_want_key
			} else if tok == fflib.FFTok_right_bracket {
				goto done
			} else {
				wantedTok = fflib.FFTok_comma
				goto wrongtokenerror
			}

		case fflib.FFParse_want_key:
			// json {} ended. goto exit. woo.
			if tok == fflib.FFTok_right_bracket {
				goto done
			}
			if tok != fflib.FFTok_string {
				wantedTok = fflib.FFTok_string
				goto wrongtokenerror
			}

			kn := fs.Output.Bytes()
			if len(kn) <= 0 {
				// "" case. hrm.
				currentKey = ffjtMenuItemNestednosuchkey
				state = fflib.FFParse_want_colon
				goto mainparse
			} else {
				switch kn[0] {

				case 'c':

					if bytes.Equal(ffjKeyMenuItemNestedCallToActions, kn) {
						currentKey = ffjtMenuItemNestedCallToActions
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				case 't':

					if bytes.Equal(ffjKeyMenuItemNestedType, kn) {
						currentKey = ffjtMenuItemNestedType
						state = fflib.FFParse_want_colon
						goto mainparse

					} else if bytes.Equal(ffjKeyMenuItemNestedTitle, kn) {
						currentKey = ffjtMenuItemNestedTitle
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				}

				if fflib.SimpleLetterEqualFold(ffjKeyMenuItemNestedTitle, kn) {
					currentKey = ffjtMenuItemNestedTitle
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.SimpleLetterEqualFold(ffjKeyMenuItemNestedType, kn) {
					currentKey = ffjtMenuItemNestedType
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.EqualFoldRight(ffjKeyMenuItemNestedCallToActions, kn) {
					currentKey = ffjtMenuItemNestedCallToActions
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				currentKey = ffjtMenuItemNestednosuchkey
				state = fflib.FFParse_want_colon
				goto mainparse
			}

		case fflib.FFParse_want_colon:
			if tok != fflib.FFTok_colon {
				wantedTok = fflib.FFTok_colon
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_value
			continue
		case fflib.FFParse_want_value:

			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
				switch currentKey {

				case ffjtMenuItemNestedCallToActions:
					goto handle_CallToActions

				case ffjtMenuItemNestedType:
					goto handle_Type

				case ffjtMenuItemNestedTitle:
					goto handle_Title

				case ffjtMenuItemNestednosuchkey:
					err = fs.SkipField(tok)
					if err != nil {
						return fs.WrapErr(err)
					}
					state = fflib.FFParse_after_value
					goto mainparse
				}
			} else {
				goto wantedvalue
			}
		}
	}

handle_CallToActions:

	/* handler: j.CallToActions type=[]fbm_api.MenuItem kind=slice quoted=false*/

	{

		{
			if tok != fflib.FFTok_left_brace && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for ", tok))
			}
		}

		if tok == fflib.FFTok_null {
			j.CallToActions = nil
		} else {

			j.CallToActions = []MenuItem{}

			wantVal := true

			for {

				var tmpJCallToActions MenuItem

				tok = fs.Scan()
				if tok == fflib.FFTok_error {
					goto tokerror
				}
				if tok == fflib.FFTok_right_brace {
					break
				}

				if tok == fflib.FFTok_comma {
					if wantVal == true {
						// TODO(pquerna): this isn't an ideal error message, this handles
						// things like [,,,] as an array value.
						return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
					}
					continue
				} else {
					wantVal = true
				}

				/* handler: tmpJCallToActions type=fbm_api.MenuItem kind=interface quoted=false*/

				{
					/* Falling back. type=fbm_api.MenuItem kind=interface */
					tbuf, err := fs.CaptureField(tok)
					if err != nil {
						return fs.WrapErr(err)
					}

					err = json.Unmarshal(tbuf, &tmpJCallToActions)
					if err != nil {
						return fs.WrapErr(err)
					}
				}

				j.CallToActions = append(j.CallToActions, tmpJCallToActions)

				wantVal = false
			}
		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_Type:

	/* handler: j.Type type=fbm_api.MenuItemType kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for MenuItemType", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			j.Type = MenuItemType(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_Title:

	/* handler: j.Title type=string kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			j.Title = string(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

wantedvalue:
	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
wrongtokenerror:
	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
tokerror:
	if fs.BigError != nil {
		return fs.WrapErr(fs.BigError)
	}
	err = fs.Error.ToError()
	if err != nil {
		return fs.WrapErr(err)
	}
	panic("ffjson-generated: unreachable, please report bug.")
done:

	return nil
}

// MarshalJSON marshal bytes to json - template
func (j *MenuItemPostback) MarshalJSON() ([]byte, error) {
	var buf fflib.Buffer
	if j == nil {
		buf.WriteString("null")
		return buf.Bytes(), nil
	}
	err := j.MarshalJSONBuf(&buf)
	if err != nil {
		return nil, err
	}
	return buf.Bytes(), nil
}

// MarshalJSONBuf marshal buff to json - template
func (j *MenuItemPostback) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
	if j == nil {
		buf.WriteString("null")
		return nil
	}
	var err error
	var obj []byte
	_ = obj
	_ = err
	buf.WriteString(`{"payload":`)
	fflib.WriteJsonString(buf, string(j.Payload))
	buf.WriteString(`,"type":`)
	fflib.WriteJsonString(buf, string(j.Type))
	buf.WriteString(`,"title":`)
	fflib.WriteJsonString(buf, string(j.Title))
	buf.WriteByte('}')
	return nil
}

const (
	ffjtMenuItemPostbackbase = iota
	ffjtMenuItemPostbacknosuchkey

	ffjtMenuItemPostbackPayload

	ffjtMenuItemPostbackType

	ffjtMenuItemPostbackTitle
)

var ffjKeyMenuItemPostbackPayload = []byte("payload")

var ffjKeyMenuItemPostbackType = []byte("type")

var ffjKeyMenuItemPostbackTitle = []byte("title")

// UnmarshalJSON umarshall json - template of ffjson
func (j *MenuItemPostback) UnmarshalJSON(input []byte) error {
	fs := fflib.NewFFLexer(input)
	return j.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
}

// UnmarshalJSONFFLexer fast json unmarshall - template ffjson
func (j *MenuItemPostback) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
	var err error
	currentKey := ffjtMenuItemPostbackbase
	_ = currentKey
	tok := fflib.FFTok_init
	wantedTok := fflib.FFTok_init

mainparse:
	for {
		tok = fs.Scan()
		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
		if tok == fflib.FFTok_error {
			goto tokerror
		}

		switch state {

		case fflib.FFParse_map_start:
			if tok != fflib.FFTok_left_bracket {
				wantedTok = fflib.FFTok_left_bracket
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_key
			continue

		case fflib.FFParse_after_value:
			if tok == fflib.FFTok_comma {
				state = fflib.FFParse_want_key
			} else if tok == fflib.FFTok_right_bracket {
				goto done
			} else {
				wantedTok = fflib.FFTok_comma
				goto wrongtokenerror
			}

		case fflib.FFParse_want_key:
			// json {} ended. goto exit. woo.
			if tok == fflib.FFTok_right_bracket {
				goto done
			}
			if tok != fflib.FFTok_string {
				wantedTok = fflib.FFTok_string
				goto wrongtokenerror
			}

			kn := fs.Output.Bytes()
			if len(kn) <= 0 {
				// "" case. hrm.
				currentKey = ffjtMenuItemPostbacknosuchkey
				state = fflib.FFParse_want_colon
				goto mainparse
			} else {
				switch kn[0] {

				case 'p':

					if bytes.Equal(ffjKeyMenuItemPostbackPayload, kn) {
						currentKey = ffjtMenuItemPostbackPayload
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				case 't':

					if bytes.Equal(ffjKeyMenuItemPostbackType, kn) {
						currentKey = ffjtMenuItemPostbackType
						state = fflib.FFParse_want_colon
						goto mainparse

					} else if bytes.Equal(ffjKeyMenuItemPostbackTitle, kn) {
						currentKey = ffjtMenuItemPostbackTitle
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				}

				if fflib.SimpleLetterEqualFold(ffjKeyMenuItemPostbackTitle, kn) {
					currentKey = ffjtMenuItemPostbackTitle
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.SimpleLetterEqualFold(ffjKeyMenuItemPostbackType, kn) {
					currentKey = ffjtMenuItemPostbackType
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.SimpleLetterEqualFold(ffjKeyMenuItemPostbackPayload, kn) {
					currentKey = ffjtMenuItemPostbackPayload
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				currentKey = ffjtMenuItemPostbacknosuchkey
				state = fflib.FFParse_want_colon
				goto mainparse
			}

		case fflib.FFParse_want_colon:
			if tok != fflib.FFTok_colon {
				wantedTok = fflib.FFTok_colon
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_value
			continue
		case fflib.FFParse_want_value:

			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
				switch currentKey {

				case ffjtMenuItemPostbackPayload:
					goto handle_Payload

				case ffjtMenuItemPostbackType:
					goto handle_Type

				case ffjtMenuItemPostbackTitle:
					goto handle_Title

				case ffjtMenuItemPostbacknosuchkey:
					err = fs.SkipField(tok)
					if err != nil {
						return fs.WrapErr(err)
					}
					state = fflib.FFParse_after_value
					goto mainparse
				}
			} else {
				goto wantedvalue
			}
		}
	}

handle_Payload:

	/* handler: j.Payload type=string kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			j.Payload = string(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_Type:

	/* handler: j.Type type=fbm_api.MenuItemType kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for MenuItemType", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			j.Type = MenuItemType(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_Title:

	/* handler: j.Title type=string kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			j.Title = string(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

wantedvalue:
	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
wrongtokenerror:
	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
tokerror:
	if fs.BigError != nil {
		return fs.WrapErr(fs.BigError)
	}
	err = fs.Error.ToError()
	if err != nil {
		return fs.WrapErr(err)
	}
	panic("ffjson-generated: unreachable, please report bug.")
done:

	return nil
}

// MarshalJSON marshal bytes to json - template
func (j *MenuItemWebURL) MarshalJSON() ([]byte, error) {
	var buf fflib.Buffer
	if j == nil {
		buf.WriteString("null")
		return buf.Bytes(), nil
	}
	err := j.MarshalJSONBuf(&buf)
	if err != nil {
		return nil, err
	}
	return buf.Bytes(), nil
}

// MarshalJSONBuf marshal buff to json - template
func (j *MenuItemWebURL) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
	if j == nil {
		buf.WriteString("null")
		return nil
	}
	var err error
	var obj []byte
	_ = obj
	_ = err
	buf.WriteString(`{"url":`)
	fflib.WriteJsonString(buf, string(j.URL))
	buf.WriteString(`,"webview_height_ratio":`)
	fflib.WriteJsonString(buf, string(j.WebviewHeightRatio))
	buf.WriteByte(',')
	if len(j.WebviewShareButton) != 0 {
		buf.WriteString(`"webview_share_button":`)
		fflib.WriteJsonString(buf, string(j.WebviewShareButton))
		buf.WriteByte(',')
	}
	if j.MessengerExtensions != false {
		if j.MessengerExtensions {
			buf.WriteString(`"messenger_extensions":true`)
		} else {
			buf.WriteString(`"messenger_extensions":false`)
		}
		buf.WriteByte(',')
	}
	buf.WriteString(`"type":`)
	fflib.WriteJsonString(buf, string(j.Type))
	buf.WriteString(`,"title":`)
	fflib.WriteJsonString(buf, string(j.Title))
	buf.WriteByte('}')
	return nil
}

const (
	ffjtMenuItemWebUrlbase = iota
	ffjtMenuItemWebUrlnosuchkey

	ffjtMenuItemWebUrlUrl

	ffjtMenuItemWebUrlWebviewHeightRatio

	ffjtMenuItemWebUrlWebviewShareButton

	ffjtMenuItemWebUrlMessengerExtensions

	ffjtMenuItemWebUrlType

	ffjtMenuItemWebUrlTitle
)

var ffjKeyMenuItemWebUrlUrl = []byte("url")

var ffjKeyMenuItemWebUrlWebviewHeightRatio = []byte("webview_height_ratio")

var ffjKeyMenuItemWebUrlWebviewShareButton = []byte("webview_share_button")

var ffjKeyMenuItemWebUrlMessengerExtensions = []byte("messenger_extensions")

var ffjKeyMenuItemWebUrlType = []byte("type")

var ffjKeyMenuItemWebUrlTitle = []byte("title")

// UnmarshalJSON umarshall json - template of ffjson
func (j *MenuItemWebURL) UnmarshalJSON(input []byte) error {
	fs := fflib.NewFFLexer(input)
	return j.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
}

// UnmarshalJSONFFLexer fast json unmarshall - template ffjson
func (j *MenuItemWebURL) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
	var err error
	currentKey := ffjtMenuItemWebUrlbase
	_ = currentKey
	tok := fflib.FFTok_init
	wantedTok := fflib.FFTok_init

mainparse:
	for {
		tok = fs.Scan()
		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
		if tok == fflib.FFTok_error {
			goto tokerror
		}

		switch state {

		case fflib.FFParse_map_start:
			if tok != fflib.FFTok_left_bracket {
				wantedTok = fflib.FFTok_left_bracket
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_key
			continue

		case fflib.FFParse_after_value:
			if tok == fflib.FFTok_comma {
				state = fflib.FFParse_want_key
			} else if tok == fflib.FFTok_right_bracket {
				goto done
			} else {
				wantedTok = fflib.FFTok_comma
				goto wrongtokenerror
			}

		case fflib.FFParse_want_key:
			// json {} ended. goto exit. woo.
			if tok == fflib.FFTok_right_bracket {
				goto done
			}
			if tok != fflib.FFTok_string {
				wantedTok = fflib.FFTok_string
				goto wrongtokenerror
			}

			kn := fs.Output.Bytes()
			if len(kn) <= 0 {
				// "" case. hrm.
				currentKey = ffjtMenuItemWebUrlnosuchkey
				state = fflib.FFParse_want_colon
				goto mainparse
			} else {
				switch kn[0] {

				case 'm':

					if bytes.Equal(ffjKeyMenuItemWebUrlMessengerExtensions, kn) {
						currentKey = ffjtMenuItemWebUrlMessengerExtensions
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				case 't':

					if bytes.Equal(ffjKeyMenuItemWebUrlType, kn) {
						currentKey = ffjtMenuItemWebUrlType
						state = fflib.FFParse_want_colon
						goto mainparse

					} else if bytes.Equal(ffjKeyMenuItemWebUrlTitle, kn) {
						currentKey = ffjtMenuItemWebUrlTitle
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				case 'u':

					if bytes.Equal(ffjKeyMenuItemWebUrlUrl, kn) {
						currentKey = ffjtMenuItemWebUrlUrl
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				case 'w':

					if bytes.Equal(ffjKeyMenuItemWebUrlWebviewHeightRatio, kn) {
						currentKey = ffjtMenuItemWebUrlWebviewHeightRatio
						state = fflib.FFParse_want_colon
						goto mainparse

					} else if bytes.Equal(ffjKeyMenuItemWebUrlWebviewShareButton, kn) {
						currentKey = ffjtMenuItemWebUrlWebviewShareButton
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				}

				if fflib.SimpleLetterEqualFold(ffjKeyMenuItemWebUrlTitle, kn) {
					currentKey = ffjtMenuItemWebUrlTitle
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.SimpleLetterEqualFold(ffjKeyMenuItemWebUrlType, kn) {
					currentKey = ffjtMenuItemWebUrlType
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.EqualFoldRight(ffjKeyMenuItemWebUrlMessengerExtensions, kn) {
					currentKey = ffjtMenuItemWebUrlMessengerExtensions
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.EqualFoldRight(ffjKeyMenuItemWebUrlWebviewShareButton, kn) {
					currentKey = ffjtMenuItemWebUrlWebviewShareButton
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.AsciiEqualFold(ffjKeyMenuItemWebUrlWebviewHeightRatio, kn) {
					currentKey = ffjtMenuItemWebUrlWebviewHeightRatio
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.SimpleLetterEqualFold(ffjKeyMenuItemWebUrlUrl, kn) {
					currentKey = ffjtMenuItemWebUrlUrl
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				currentKey = ffjtMenuItemWebUrlnosuchkey
				state = fflib.FFParse_want_colon
				goto mainparse
			}

		case fflib.FFParse_want_colon:
			if tok != fflib.FFTok_colon {
				wantedTok = fflib.FFTok_colon
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_value
			continue
		case fflib.FFParse_want_value:

			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
				switch currentKey {

				case ffjtMenuItemWebUrlUrl:
					goto handle_Url

				case ffjtMenuItemWebUrlWebviewHeightRatio:
					goto handle_WebviewHeightRatio

				case ffjtMenuItemWebUrlWebviewShareButton:
					goto handle_WebviewShareButton

				case ffjtMenuItemWebUrlMessengerExtensions:
					goto handle_MessengerExtensions

				case ffjtMenuItemWebUrlType:
					goto handle_Type

				case ffjtMenuItemWebUrlTitle:
					goto handle_Title

				case ffjtMenuItemWebUrlnosuchkey:
					err = fs.SkipField(tok)
					if err != nil {
						return fs.WrapErr(err)
					}
					state = fflib.FFParse_after_value
					goto mainparse
				}
			} else {
				goto wantedvalue
			}
		}
	}

handle_Url:

	/* handler: j.URL type=string kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			j.URL = string(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_WebviewHeightRatio:

	/* handler: j.WebviewHeightRatio type=fbm_api.WebviewHeightRatio kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for WebviewHeightRatio", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			j.WebviewHeightRatio = WebviewHeightRatio(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_WebviewShareButton:

	/* handler: j.WebviewShareButton type=string kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			j.WebviewShareButton = string(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_MessengerExtensions:

	/* handler: j.MessengerExtensions type=bool kind=bool quoted=false*/

	{
		if tok != fflib.FFTok_bool && tok != fflib.FFTok_null {
			return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for bool", tok))
		}
	}

	{
		if tok == fflib.FFTok_null {

		} else {
			tmpb := fs.Output.Bytes()

			if bytes.Compare([]byte{'t', 'r', 'u', 'e'}, tmpb) == 0 {

				j.MessengerExtensions = true

			} else if bytes.Compare([]byte{'f', 'a', 'l', 's', 'e'}, tmpb) == 0 {

				j.MessengerExtensions = false

			} else {
				err = errors.New("unexpected bytes for true/false value")
				return fs.WrapErr(err)
			}

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_Type:

	/* handler: j.Type type=fbm_api.MenuItemType kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for MenuItemType", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			j.Type = MenuItemType(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_Title:

	/* handler: j.Title type=string kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			j.Title = string(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

wantedvalue:
	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
wrongtokenerror:
	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
tokerror:
	if fs.BigError != nil {
		return fs.WrapErr(fs.BigError)
	}
	err = fs.Error.ToError()
	if err != nil {
		return fs.WrapErr(err)
	}
	panic("ffjson-generated: unreachable, please report bug.")
done:

	return nil
}

// MarshalJSON marshal bytes to json - template
func (j *PersistentMenu) MarshalJSON() ([]byte, error) {
	var buf fflib.Buffer
	if j == nil {
		buf.WriteString("null")
		return buf.Bytes(), nil
	}
	err := j.MarshalJSONBuf(&buf)
	if err != nil {
		return nil, err
	}
	return buf.Bytes(), nil
}

// MarshalJSONBuf marshal buff to json - template
func (j *PersistentMenu) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
	if j == nil {
		buf.WriteString("null")
		return nil
	}
	var err error
	var obj []byte
	_ = obj
	_ = err
	buf.WriteString(`{ "locale":`)
	fflib.WriteJsonString(buf, string(j.Locale))
	if j.ComposerInputDisabled {
		buf.WriteString(`,"composer_input_disabled":true`)
	} else {
		buf.WriteString(`,"composer_input_disabled":false`)
	}
	buf.WriteByte(',')
	if len(j.CallToActions) != 0 {
		buf.WriteString(`"call_to_actions":`)
		if j.CallToActions != nil {
			buf.WriteString(`[`)
			for i, v := range j.CallToActions {
				if i != 0 {
					buf.WriteString(`,`)
				}
				/* Interface types must use runtime reflection. type=fbm_api.MenuItem kind=interface */
				err = buf.Encode(v)
				if err != nil {
					return err
				}
			}
			buf.WriteString(`]`)
		} else {
			buf.WriteString(`null`)
		}
		buf.WriteByte(',')
	}
	buf.Rewind(1)
	buf.WriteByte('}')
	return nil
}

const (
	ffjtPersistentMenubase = iota
	ffjtPersistentMenunosuchkey

	ffjtPersistentMenuLocale

	ffjtPersistentMenuComposerInputDisabled

	ffjtPersistentMenuCallToActions
)

var ffjKeyPersistentMenuLocale = []byte("locale")

var ffjKeyPersistentMenuComposerInputDisabled = []byte("composer_input_disabled")

var ffjKeyPersistentMenuCallToActions = []byte("call_to_actions")

// UnmarshalJSON umarshall json - template of ffjson
func (j *PersistentMenu) UnmarshalJSON(input []byte) error {
	fs := fflib.NewFFLexer(input)
	return j.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
}

// UnmarshalJSONFFLexer fast json unmarshall - template ffjson
func (j *PersistentMenu) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
	var err error
	currentKey := ffjtPersistentMenubase
	_ = currentKey
	tok := fflib.FFTok_init
	wantedTok := fflib.FFTok_init

mainparse:
	for {
		tok = fs.Scan()
		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
		if tok == fflib.FFTok_error {
			goto tokerror
		}

		switch state {

		case fflib.FFParse_map_start:
			if tok != fflib.FFTok_left_bracket {
				wantedTok = fflib.FFTok_left_bracket
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_key
			continue

		case fflib.FFParse_after_value:
			if tok == fflib.FFTok_comma {
				state = fflib.FFParse_want_key
			} else if tok == fflib.FFTok_right_bracket {
				goto done
			} else {
				wantedTok = fflib.FFTok_comma
				goto wrongtokenerror
			}

		case fflib.FFParse_want_key:
			// json {} ended. goto exit. woo.
			if tok == fflib.FFTok_right_bracket {
				goto done
			}
			if tok != fflib.FFTok_string {
				wantedTok = fflib.FFTok_string
				goto wrongtokenerror
			}

			kn := fs.Output.Bytes()
			if len(kn) <= 0 {
				// "" case. hrm.
				currentKey = ffjtPersistentMenunosuchkey
				state = fflib.FFParse_want_colon
				goto mainparse
			} else {
				switch kn[0] {

				case 'c':

					if bytes.Equal(ffjKeyPersistentMenuComposerInputDisabled, kn) {
						currentKey = ffjtPersistentMenuComposerInputDisabled
						state = fflib.FFParse_want_colon
						goto mainparse

					} else if bytes.Equal(ffjKeyPersistentMenuCallToActions, kn) {
						currentKey = ffjtPersistentMenuCallToActions
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				case 'l':

					if bytes.Equal(ffjKeyPersistentMenuLocale, kn) {
						currentKey = ffjtPersistentMenuLocale
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				}

				if fflib.EqualFoldRight(ffjKeyPersistentMenuCallToActions, kn) {
					currentKey = ffjtPersistentMenuCallToActions
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.EqualFoldRight(ffjKeyPersistentMenuComposerInputDisabled, kn) {
					currentKey = ffjtPersistentMenuComposerInputDisabled
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				if fflib.SimpleLetterEqualFold(ffjKeyPersistentMenuLocale, kn) {
					currentKey = ffjtPersistentMenuLocale
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				currentKey = ffjtPersistentMenunosuchkey
				state = fflib.FFParse_want_colon
				goto mainparse
			}

		case fflib.FFParse_want_colon:
			if tok != fflib.FFTok_colon {
				wantedTok = fflib.FFTok_colon
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_value
			continue
		case fflib.FFParse_want_value:

			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
				switch currentKey {

				case ffjtPersistentMenuLocale:
					goto handle_Locale

				case ffjtPersistentMenuComposerInputDisabled:
					goto handle_ComposerInputDisabled

				case ffjtPersistentMenuCallToActions:
					goto handle_CallToActions

				case ffjtPersistentMenunosuchkey:
					err = fs.SkipField(tok)
					if err != nil {
						return fs.WrapErr(err)
					}
					state = fflib.FFParse_after_value
					goto mainparse
				}
			} else {
				goto wantedvalue
			}
		}
	}

handle_Locale:

	/* handler: j.Locale type=string kind=string quoted=false*/

	{

		{
			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
			}
		}

		if tok == fflib.FFTok_null {

		} else {

			outBuf := fs.Output.Bytes()

			j.Locale = string(string(outBuf))

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_ComposerInputDisabled:

	/* handler: j.ComposerInputDisabled type=bool kind=bool quoted=false*/

	{
		if tok != fflib.FFTok_bool && tok != fflib.FFTok_null {
			return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for bool", tok))
		}
	}

	{
		if tok == fflib.FFTok_null {

		} else {
			tmpb := fs.Output.Bytes()

			if bytes.Compare([]byte{'t', 'r', 'u', 'e'}, tmpb) == 0 {

				j.ComposerInputDisabled = true

			} else if bytes.Compare([]byte{'f', 'a', 'l', 's', 'e'}, tmpb) == 0 {

				j.ComposerInputDisabled = false

			} else {
				err = errors.New("unexpected bytes for true/false value")
				return fs.WrapErr(err)
			}

		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

handle_CallToActions:

	/* handler: j.CallToActions type=[]fbm_api.MenuItem kind=slice quoted=false*/

	{

		{
			if tok != fflib.FFTok_left_brace && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for ", tok))
			}
		}

		if tok == fflib.FFTok_null {
			j.CallToActions = nil
		} else {

			j.CallToActions = []MenuItem{}

			wantVal := true

			for {

				var tmpJCallToActions MenuItem

				tok = fs.Scan()
				if tok == fflib.FFTok_error {
					goto tokerror
				}
				if tok == fflib.FFTok_right_brace {
					break
				}

				if tok == fflib.FFTok_comma {
					if wantVal == true {
						// TODO(pquerna): this isn't an ideal error message, this handles
						// things like [,,,] as an array value.
						return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
					}
					continue
				} else {
					wantVal = true
				}

				/* handler: tmpJCallToActions type=fbm_api.MenuItem kind=interface quoted=false*/

				{
					/* Falling back. type=fbm_api.MenuItem kind=interface */
					tbuf, err := fs.CaptureField(tok)
					if err != nil {
						return fs.WrapErr(err)
					}

					err = json.Unmarshal(tbuf, &tmpJCallToActions)
					if err != nil {
						return fs.WrapErr(err)
					}
				}

				j.CallToActions = append(j.CallToActions, tmpJCallToActions)

				wantVal = false
			}
		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

wantedvalue:
	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
wrongtokenerror:
	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
tokerror:
	if fs.BigError != nil {
		return fs.WrapErr(fs.BigError)
	}
	err = fs.Error.ToError()
	if err != nil {
		return fs.WrapErr(err)
	}
	panic("ffjson-generated: unreachable, please report bug.")
done:

	return nil
}

// MarshalJSON marshal bytes to json - template
func (j *PersistentMenuMessage) MarshalJSON() ([]byte, error) {
	var buf fflib.Buffer
	if j == nil {
		buf.WriteString("null")
		return buf.Bytes(), nil
	}
	err := j.MarshalJSONBuf(&buf)
	if err != nil {
		return nil, err
	}
	return buf.Bytes(), nil
}

// MarshalJSONBuf marshal buff to json - template
func (j *PersistentMenuMessage) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
	if j == nil {
		buf.WriteString("null")
		return nil
	}
	var err error
	var obj []byte
	_ = obj
	_ = err
	buf.WriteString(`{"persistent_menu":`)
	if j.PersistentMenus != nil {
		buf.WriteString(`[`)
		for i, v := range j.PersistentMenus {
			if i != 0 {
				buf.WriteString(`,`)
			}

			{

				err = v.MarshalJSONBuf(buf)
				if err != nil {
					return err
				}

			}
		}
		buf.WriteString(`]`)
	} else {
		buf.WriteString(`null`)
	}
	buf.WriteByte('}')
	return nil
}

const (
	ffjtPersistentMenuMessagebase = iota
	ffjtPersistentMenuMessagenosuchkey

	ffjtPersistentMenuMessagePersistentMenus
)

var ffjKeyPersistentMenuMessagePersistentMenus = []byte("persistent_menu")

// UnmarshalJSON umarshall json - template of ffjson
func (j *PersistentMenuMessage) UnmarshalJSON(input []byte) error {
	fs := fflib.NewFFLexer(input)
	return j.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
}

// UnmarshalJSONFFLexer fast json unmarshall - template ffjson
func (j *PersistentMenuMessage) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
	var err error
	currentKey := ffjtPersistentMenuMessagebase
	_ = currentKey
	tok := fflib.FFTok_init
	wantedTok := fflib.FFTok_init

mainparse:
	for {
		tok = fs.Scan()
		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
		if tok == fflib.FFTok_error {
			goto tokerror
		}

		switch state {

		case fflib.FFParse_map_start:
			if tok != fflib.FFTok_left_bracket {
				wantedTok = fflib.FFTok_left_bracket
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_key
			continue

		case fflib.FFParse_after_value:
			if tok == fflib.FFTok_comma {
				state = fflib.FFParse_want_key
			} else if tok == fflib.FFTok_right_bracket {
				goto done
			} else {
				wantedTok = fflib.FFTok_comma
				goto wrongtokenerror
			}

		case fflib.FFParse_want_key:
			// json {} ended. goto exit. woo.
			if tok == fflib.FFTok_right_bracket {
				goto done
			}
			if tok != fflib.FFTok_string {
				wantedTok = fflib.FFTok_string
				goto wrongtokenerror
			}

			kn := fs.Output.Bytes()
			if len(kn) <= 0 {
				// "" case. hrm.
				currentKey = ffjtPersistentMenuMessagenosuchkey
				state = fflib.FFParse_want_colon
				goto mainparse
			} else {
				switch kn[0] {

				case 'p':

					if bytes.Equal(ffjKeyPersistentMenuMessagePersistentMenus, kn) {
						currentKey = ffjtPersistentMenuMessagePersistentMenus
						state = fflib.FFParse_want_colon
						goto mainparse
					}

				}

				if fflib.EqualFoldRight(ffjKeyPersistentMenuMessagePersistentMenus, kn) {
					currentKey = ffjtPersistentMenuMessagePersistentMenus
					state = fflib.FFParse_want_colon
					goto mainparse
				}

				currentKey = ffjtPersistentMenuMessagenosuchkey
				state = fflib.FFParse_want_colon
				goto mainparse
			}

		case fflib.FFParse_want_colon:
			if tok != fflib.FFTok_colon {
				wantedTok = fflib.FFTok_colon
				goto wrongtokenerror
			}
			state = fflib.FFParse_want_value
			continue
		case fflib.FFParse_want_value:

			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
				switch currentKey {

				case ffjtPersistentMenuMessagePersistentMenus:
					goto handle_PersistentMenus

				case ffjtPersistentMenuMessagenosuchkey:
					err = fs.SkipField(tok)
					if err != nil {
						return fs.WrapErr(err)
					}
					state = fflib.FFParse_after_value
					goto mainparse
				}
			} else {
				goto wantedvalue
			}
		}
	}

handle_PersistentMenus:

	/* handler: j.PersistentMenus type=[]fbm_api.PersistentMenu kind=slice quoted=false*/

	{

		{
			if tok != fflib.FFTok_left_brace && tok != fflib.FFTok_null {
				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for ", tok))
			}
		}

		if tok == fflib.FFTok_null {
			j.PersistentMenus = nil
		} else {

			j.PersistentMenus = []PersistentMenu{}

			wantVal := true

			for {

				var tmpJPersistentMenus PersistentMenu

				tok = fs.Scan()
				if tok == fflib.FFTok_error {
					goto tokerror
				}
				if tok == fflib.FFTok_right_brace {
					break
				}

				if tok == fflib.FFTok_comma {
					if wantVal == true {
						// TODO(pquerna): this isn't an ideal error message, this handles
						// things like [,,,] as an array value.
						return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
					}
					continue
				} else {
					wantVal = true
				}

				/* handler: tmpJPersistentMenus type=fbm_api.PersistentMenu kind=struct quoted=false*/

				{
					if tok == fflib.FFTok_null {

						state = fflib.FFParse_after_value
						goto mainparse
					}

					err = tmpJPersistentMenus.UnmarshalJSONFFLexer(fs, fflib.FFParse_want_key)
					if err != nil {
						return err
					}
					state = fflib.FFParse_after_value
				}

				j.PersistentMenus = append(j.PersistentMenus, tmpJPersistentMenus)

				wantVal = false
			}
		}
	}

	state = fflib.FFParse_after_value
	goto mainparse

wantedvalue:
	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
wrongtokenerror:
	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
tokerror:
	if fs.BigError != nil {
		return fs.WrapErr(fs.BigError)
	}
	err = fs.Error.ToError()
	if err != nil {
		return fs.WrapErr(err)
	}
	panic("ffjson-generated: unreachable, please report bug.")
done:

	return nil
}